Home / 498,325,675.20-747,488,512.80-239,478,478.80

Finding the Fourth Proportional to 498,325,675.20, 747,488,512.80 and 239,478,478.80

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Solution

The fourth proportional to 498,325,675.20, 747,488,512.80 and 239,478,478.80 is: 359,217,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,325,675.20 : 747,488,512.80 = 239,478,478.80 : x
  2. Step 2: Convert to fraction form
    498,325,675.20/747,488,512.80 = 239,478,478.80/x
  3. Step 3: Cross multiply
    498,325,675.20x = 747,488,512.80 × 239,478,478.80
  4. Step 4: Simplify right side
    498,325,675.20x = 179,007,411,965,818,336
  5. Step 5: Solve for x
    x = 179,007,411,965,818,336/498,325,675.20
  6. Step 6: Final answer
    x = 359,217,718.20

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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.