Home / 990,074,603,742.30-1,485,111,905,613.50-283,419,631,806.30

Finding the Fourth Proportional to 990,074,603,742.30, 1,485,111,905,613.50 and 283,419,631,806.30

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Solution

The fourth proportional to 990,074,603,742.30, 1,485,111,905,613.50 and 283,419,631,806.30 is: 425,129,447,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,074,603,742.30 : 1,485,111,905,613.50 = 283,419,631,806.30 : x
  2. Step 2: Convert to fraction form
    990,074,603,742.30/1,485,111,905,613.50 = 283,419,631,806.30/x
  3. Step 3: Cross multiply
    990,074,603,742.30x = 1,485,111,905,613.50 × 283,419,631,806.30
  4. Step 4: Simplify right side
    990,074,603,742.30x = 420,909,869,480,130,730,000,384
  5. Step 5: Solve for x
    x = 420,909,869,480,130,730,000,384/990,074,603,742.30
  6. Step 6: Final answer
    x = 425,129,447,709.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.