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Finding the Fourth Proportional to 199,587,714.80, 299,381,572.20 and 196,900,329.20

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Solution

The fourth proportional to 199,587,714.80, 299,381,572.20 and 196,900,329.20 is: 295,350,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,587,714.80 : 299,381,572.20 = 196,900,329.20 : x
  2. Step 2: Convert to fraction form
    199,587,714.80/299,381,572.20 = 196,900,329.20/x
  3. Step 3: Cross multiply
    199,587,714.80x = 299,381,572.20 × 196,900,329.20
  4. Step 4: Simplify right side
    199,587,714.80x = 58,948,330,122,593,560
  5. Step 5: Solve for x
    x = 58,948,330,122,593,560/199,587,714.80
  6. Step 6: Final answer
    x = 295,350,493.80

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1.5x scale

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.