Home / 657,518,767.91-907,123,335.82-375,276,874.39

Finding the Fourth Proportional to 657,518,767.91, 907,123,335.82 and 375,276,874.39

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Solution

The fourth proportional to 657,518,767.91, 907,123,335.82 and 375,276,874.39 is: 517,737,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,518,767.91 : 907,123,335.82 = 375,276,874.39 : x
  2. Step 2: Convert to fraction form
    657,518,767.91/907,123,335.82 = 375,276,874.39/x
  3. Step 3: Cross multiply
    657,518,767.91x = 907,123,335.82 × 375,276,874.39
  4. Step 4: Simplify right side
    657,518,767.91x = 340,422,410,149,553,920
  5. Step 5: Solve for x
    x = 340,422,410,149,553,920/657,518,767.91
  6. Step 6: Final answer
    x = 517,737,936.56

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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.