Home / 629,657,463.87-868,930,318.44-347,399,890.47

Finding the Fourth Proportional to 629,657,463.87, 868,930,318.44 and 347,399,890.47

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Solution

The fourth proportional to 629,657,463.87, 868,930,318.44 and 347,399,890.47 is: 479,413,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,657,463.87 : 868,930,318.44 = 347,399,890.47 : x
  2. Step 2: Convert to fraction form
    629,657,463.87/868,930,318.44 = 347,399,890.47/x
  3. Step 3: Cross multiply
    629,657,463.87x = 868,930,318.44 × 347,399,890.47
  4. Step 4: Simplify right side
    629,657,463.87x = 301,866,297,452,118,272
  5. Step 5: Solve for x
    x = 301,866,297,452,118,272/629,657,463.87
  6. Step 6: Final answer
    x = 479,413,514.13

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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.