Home / 502,002,782.78-750,692,563.70-477,513,981.50

Finding the Fourth Proportional to 502,002,782.78, 750,692,563.70 and 477,513,981.50

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Solution

The fourth proportional to 502,002,782.78, 750,692,563.70 and 477,513,981.50 is: 714,072,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,002,782.78 : 750,692,563.70 = 477,513,981.50 : x
  2. Step 2: Convert to fraction form
    502,002,782.78/750,692,563.70 = 477,513,981.50/x
  3. Step 3: Cross multiply
    502,002,782.78x = 750,692,563.70 × 477,513,981.50
  4. Step 4: Simplify right side
    502,002,782.78x = 358,466,194,974,829,376
  5. Step 5: Solve for x
    x = 358,466,194,974,829,376/502,002,782.78
  6. Step 6: Final answer
    x = 714,072,127.23

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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.