Home / 736,722,609.38-1,016,670,965.36-406,690,662.50

Finding the Fourth Proportional to 736,722,609.38, 1,016,670,965.36 and 406,690,662.50

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Solution

The fourth proportional to 736,722,609.38, 1,016,670,965.36 and 406,690,662.50 is: 561,229,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,722,609.38 : 1,016,670,965.36 = 406,690,662.50 : x
  2. Step 2: Convert to fraction form
    736,722,609.38/1,016,670,965.36 = 406,690,662.50/x
  3. Step 3: Cross multiply
    736,722,609.38x = 1,016,670,965.36 × 406,690,662.50
  4. Step 4: Simplify right side
    736,722,609.38x = 413,470,588,446,772,928
  5. Step 5: Solve for x
    x = 413,470,588,446,772,928/736,722,609.38
  6. Step 6: Final answer
    x = 561,229,672.04

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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.