Home / 649,542,363.20-974,313,544.80-442,918,102.40

Finding the Fourth Proportional to 649,542,363.20, 974,313,544.80 and 442,918,102.40

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Solution

The fourth proportional to 649,542,363.20, 974,313,544.80 and 442,918,102.40 is: 664,377,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,542,363.20 : 974,313,544.80 = 442,918,102.40 : x
  2. Step 2: Convert to fraction form
    649,542,363.20/974,313,544.80 = 442,918,102.40/x
  3. Step 3: Cross multiply
    649,542,363.20x = 974,313,544.80 × 442,918,102.40
  4. Step 4: Simplify right side
    649,542,363.20x = 431,541,106,405,433,344
  5. Step 5: Solve for x
    x = 431,541,106,405,433,344/649,542,363.20
  6. Step 6: Final answer
    x = 664,377,153.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.