Home / 649,498,420.10-897,047,643.13-440,291,356.04

Finding the Fourth Proportional to 649,498,420.10, 897,047,643.13 and 440,291,356.04

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Solution

The fourth proportional to 649,498,420.10, 897,047,643.13 and 440,291,356.04 is: 608,103,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,498,420.10 : 897,047,643.13 = 440,291,356.04 : x
  2. Step 2: Convert to fraction form
    649,498,420.10/897,047,643.13 = 440,291,356.04/x
  3. Step 3: Cross multiply
    649,498,420.10x = 897,047,643.13 × 440,291,356.04
  4. Step 4: Simplify right side
    649,498,420.10x = 394,962,323,227,004,352
  5. Step 5: Solve for x
    x = 394,962,323,227,004,352/649,498,420.10
  6. Step 6: Final answer
    x = 608,103,593.49

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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.