Home / 725,304,214.80-1,000,797,270.92-407,722,157.52

Finding the Fourth Proportional to 725,304,214.80, 1,000,797,270.92 and 407,722,157.52

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Solution

The fourth proportional to 725,304,214.80, 1,000,797,270.92 and 407,722,157.52 is: 562,587,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,304,214.80 : 1,000,797,270.92 = 407,722,157.52 : x
  2. Step 2: Convert to fraction form
    725,304,214.80/1,000,797,270.92 = 407,722,157.52/x
  3. Step 3: Cross multiply
    725,304,214.80x = 1,000,797,270.92 × 407,722,157.52
  4. Step 4: Simplify right side
    725,304,214.80x = 408,047,222,539,630,336
  5. Step 5: Solve for x
    x = 408,047,222,539,630,336/725,304,214.80
  6. Step 6: Final answer
    x = 562,587,689.71

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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.