Home / 681,024,334.20-1,021,536,501.30-408,926,542.20

Finding the Fourth Proportional to 681,024,334.20, 1,021,536,501.30 and 408,926,542.20

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Solution

The fourth proportional to 681,024,334.20, 1,021,536,501.30 and 408,926,542.20 is: 613,389,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,024,334.20 : 1,021,536,501.30 = 408,926,542.20 : x
  2. Step 2: Convert to fraction form
    681,024,334.20/1,021,536,501.30 = 408,926,542.20/x
  3. Step 3: Cross multiply
    681,024,334.20x = 1,021,536,501.30 × 408,926,542.20
  4. Step 4: Simplify right side
    681,024,334.20x = 417,733,389,207,694,784
  5. Step 5: Solve for x
    x = 417,733,389,207,694,784/681,024,334.20
  6. Step 6: Final answer
    x = 613,389,813.30

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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.