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Finding the Fourth Proportional to 331,777,668.60, 497,666,502.90 and 170,235,934.20

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Solution

The fourth proportional to 331,777,668.60, 497,666,502.90 and 170,235,934.20 is: 255,353,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,668.60 : 497,666,502.90 = 170,235,934.20 : x
  2. Step 2: Convert to fraction form
    331,777,668.60/497,666,502.90 = 170,235,934.20/x
  3. Step 3: Cross multiply
    331,777,668.60x = 497,666,502.90 × 170,235,934.20
  4. Step 4: Simplify right side
    331,777,668.60x = 84,720,722,041,228,496
  5. Step 5: Solve for x
    x = 84,720,722,041,228,496/331,777,668.60
  6. Step 6: Final answer
    x = 255,353,901.30

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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.