Home / 726,487,749-1,002,552,829.98-396,462,888

Finding the Fourth Proportional to 726,487,749, 1,002,552,829.98 and 396,462,888

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Solution

The fourth proportional to 726,487,749, 1,002,552,829.98 and 396,462,888 is: 547,118,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,487,749 : 1,002,552,829.98 = 396,462,888 : x
  2. Step 2: Convert to fraction form
    726,487,749/1,002,552,829.98 = 396,462,888/x
  3. Step 3: Cross multiply
    726,487,749x = 1,002,552,829.98 × 396,462,888
  4. Step 4: Simplify right side
    726,487,749x = 397,474,990,346,443,776
  5. Step 5: Solve for x
    x = 397,474,990,346,443,776/726,487,749
  6. Step 6: Final answer
    x = 547,118,641.56

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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.