Home / 725,304,212.80-1,000,797,268.16-407,722,155.52

Finding the Fourth Proportional to 725,304,212.80, 1,000,797,268.16 and 407,722,155.52

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Solution

The fourth proportional to 725,304,212.80, 1,000,797,268.16 and 407,722,155.52 is: 562,587,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,304,212.80 : 1,000,797,268.16 = 407,722,155.52 : x
  2. Step 2: Convert to fraction form
    725,304,212.80/1,000,797,268.16 = 407,722,155.52/x
  3. Step 3: Cross multiply
    725,304,212.80x = 1,000,797,268.16 × 407,722,155.52
  4. Step 4: Simplify right side
    725,304,212.80x = 408,047,219,412,722,624
  5. Step 5: Solve for x
    x = 408,047,219,412,722,624/725,304,212.80
  6. Step 6: Final answer
    x = 562,587,686.95

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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.