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Finding the Fourth Proportional to 499,911,069.66, 749,869,089.48 and 204,967,290.66

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Solution

The fourth proportional to 499,911,069.66, 749,869,089.48 and 204,967,290.66 is: 307,451,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,911,069.66 : 749,869,089.48 = 204,967,290.66 : x
  2. Step 2: Convert to fraction form
    499,911,069.66/749,869,089.48 = 204,967,290.66/x
  3. Step 3: Cross multiply
    499,911,069.66x = 749,869,089.48 × 204,967,290.66
  4. Step 4: Simplify right side
    499,911,069.66x = 153,698,635,620,396,704
  5. Step 5: Solve for x
    x = 153,698,635,620,396,704/499,911,069.66
  6. Step 6: Final answer
    x = 307,451,954.85

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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.