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Finding the Fourth Proportional to 298,944,463.40, 448,416,695.10 and 225,286,740.80

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Solution

The fourth proportional to 298,944,463.40, 448,416,695.10 and 225,286,740.80 is: 337,930,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,944,463.40 : 448,416,695.10 = 225,286,740.80 : x
  2. Step 2: Convert to fraction form
    298,944,463.40/448,416,695.10 = 225,286,740.80/x
  3. Step 3: Cross multiply
    298,944,463.40x = 448,416,695.10 × 225,286,740.80
  4. Step 4: Simplify right side
    298,944,463.40x = 101,022,335,759,386,336
  5. Step 5: Solve for x
    x = 101,022,335,759,386,336/298,944,463.40
  6. Step 6: Final answer
    x = 337,930,111.20

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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.