Home / 657,949,331.10-986,916,384.72-159,962,671.38

Finding the Fourth Proportional to 657,949,331.10, 986,916,384.72 and 159,962,671.38

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Solution

The fourth proportional to 657,949,331.10, 986,916,384.72 and 159,962,671.38 is: 239,942,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,949,331.10 : 986,916,384.72 = 159,962,671.38 : x
  2. Step 2: Convert to fraction form
    657,949,331.10/986,916,384.72 = 159,962,671.38/x
  3. Step 3: Cross multiply
    657,949,331.10x = 986,916,384.72 × 159,962,671.38
  4. Step 4: Simplify right side
    657,949,331.10x = 157,869,781,328,503,008
  5. Step 5: Solve for x
    x = 157,869,781,328,503,008/657,949,331.10
  6. Step 6: Final answer
    x = 239,942,156.43

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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.