Home / 1,120,214,064.30-1,680,321,096.45-603,653,412.30

Finding the Fourth Proportional to 1,120,214,064.30, 1,680,321,096.45 and 603,653,412.30

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Solution

The fourth proportional to 1,120,214,064.30, 1,680,321,096.45 and 603,653,412.30 is: 905,480,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,214,064.30 : 1,680,321,096.45 = 603,653,412.30 : x
  2. Step 2: Convert to fraction form
    1,120,214,064.30/1,680,321,096.45 = 603,653,412.30/x
  3. Step 3: Cross multiply
    1,120,214,064.30x = 1,680,321,096.45 × 603,653,412.30
  4. Step 4: Simplify right side
    1,120,214,064.30x = 1,014,331,563,631,719,808
  5. Step 5: Solve for x
    x = 1,014,331,563,631,719,808/1,120,214,064.30
  6. Step 6: Final answer
    x = 905,480,118.45

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Double scale
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Similar ratio
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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.