Home / 1,040,043,194.20-1,560,064,791.30-349,721,018.20

Finding the Fourth Proportional to 1,040,043,194.20, 1,560,064,791.30 and 349,721,018.20

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Solution

The fourth proportional to 1,040,043,194.20, 1,560,064,791.30 and 349,721,018.20 is: 524,581,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,043,194.20 : 1,560,064,791.30 = 349,721,018.20 : x
  2. Step 2: Convert to fraction form
    1,040,043,194.20/1,560,064,791.30 = 349,721,018.20/x
  3. Step 3: Cross multiply
    1,040,043,194.20x = 1,560,064,791.30 × 349,721,018.20
  4. Step 4: Simplify right side
    1,040,043,194.20x = 545,587,447,271,406,464
  5. Step 5: Solve for x
    x = 545,587,447,271,406,464/1,040,043,194.20
  6. Step 6: Final answer
    x = 524,581,527.30

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Half scale
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Double scale
Find fourth proportional to 1,040,043,195.20, 1,560,064,792.80 and 349,721,019.20
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.