Home / 443,219,752.92-664,863,046.74-132,302,808.12

Finding the Fourth Proportional to 443,219,752.92, 664,863,046.74 and 132,302,808.12

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Solution

The fourth proportional to 443,219,752.92, 664,863,046.74 and 132,302,808.12 is: 198,464,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,219,752.92 : 664,863,046.74 = 132,302,808.12 : x
  2. Step 2: Convert to fraction form
    443,219,752.92/664,863,046.74 = 132,302,808.12/x
  3. Step 3: Cross multiply
    443,219,752.92x = 664,863,046.74 × 132,302,808.12
  4. Step 4: Simplify right side
    443,219,752.92x = 87,963,248,098,920,816
  5. Step 5: Solve for x
    x = 87,963,248,098,920,816/443,219,752.92
  6. Step 6: Final answer
    x = 198,464,187.39

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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.