Home / 629,799,379.20-944,006,227.20-220,644,921.60

Finding the Fourth Proportional to 629,799,379.20, 944,006,227.20 and 220,644,921.60

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Solution

The fourth proportional to 629,799,379.20, 944,006,227.20 and 220,644,921.60 is: 330,724,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,799,379.20 : 944,006,227.20 = 220,644,921.60 : x
  2. Step 2: Convert to fraction form
    629,799,379.20/944,006,227.20 = 220,644,921.60/x
  3. Step 3: Cross multiply
    629,799,379.20x = 944,006,227.20 × 220,644,921.60
  4. Step 4: Simplify right side
    629,799,379.20x = 208,290,179,990,455,808
  5. Step 5: Solve for x
    x = 208,290,179,990,455,808/629,799,379.20
  6. Step 6: Final answer
    x = 330,724,651.17

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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.