Home / 657,948,129.91-986,914,586.23-159,961,465.39

Finding the Fourth Proportional to 657,948,129.91, 986,914,586.23 and 159,961,465.39

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Solution

The fourth proportional to 657,948,129.91, 986,914,586.23 and 159,961,465.39 is: 239,940,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,948,129.91 : 986,914,586.23 = 159,961,465.39 : x
  2. Step 2: Convert to fraction form
    657,948,129.91/986,914,586.23 = 159,961,465.39/x
  3. Step 3: Cross multiply
    657,948,129.91x = 986,914,586.23 × 159,961,465.39
  4. Step 4: Simplify right side
    657,948,129.91x = 157,868,303,428,116,320
  5. Step 5: Solve for x
    x = 157,868,303,428,116,320/657,948,129.91
  6. Step 6: Final answer
    x = 239,940,348.26

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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.