Home / 558,578,761.43-770,829,273.28-307,706,620.40

Finding the Fourth Proportional to 558,578,761.43, 770,829,273.28 and 307,706,620.40

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Solution

The fourth proportional to 558,578,761.43, 770,829,273.28 and 307,706,620.40 is: 424,629,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,578,761.43 : 770,829,273.28 = 307,706,620.40 : x
  2. Step 2: Convert to fraction form
    558,578,761.43/770,829,273.28 = 307,706,620.40/x
  3. Step 3: Cross multiply
    558,578,761.43x = 770,829,273.28 × 307,706,620.40
  4. Step 4: Simplify right side
    558,578,761.43x = 237,189,270,585,797,920
  5. Step 5: Solve for x
    x = 237,189,270,585,797,920/558,578,761.43
  6. Step 6: Final answer
    x = 424,629,948.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.