Home / 650,812,694.80-898,176,908.28-368,605,338

Finding the Fourth Proportional to 650,812,694.80, 898,176,908.28 and 368,605,338

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Solution

The fourth proportional to 650,812,694.80, 898,176,908.28 and 368,605,338 is: 508,706,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,812,694.80 : 898,176,908.28 = 368,605,338 : x
  2. Step 2: Convert to fraction form
    650,812,694.80/898,176,908.28 = 368,605,338/x
  3. Step 3: Cross multiply
    650,812,694.80x = 898,176,908.28 × 368,605,338
  4. Step 4: Simplify right side
    650,812,694.80x = 331,072,802,860,344,384
  5. Step 5: Solve for x
    x = 331,072,802,860,344,384/650,812,694.80
  6. Step 6: Final answer
    x = 508,706,737.75

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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.