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Finding the Fourth Proportional to 577,369,446.30, 866,054,169.45 and 270,692,559.90

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Solution

The fourth proportional to 577,369,446.30, 866,054,169.45 and 270,692,559.90 is: 406,038,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,369,446.30 : 866,054,169.45 = 270,692,559.90 : x
  2. Step 2: Convert to fraction form
    577,369,446.30/866,054,169.45 = 270,692,559.90/x
  3. Step 3: Cross multiply
    577,369,446.30x = 866,054,169.45 × 270,692,559.90
  4. Step 4: Simplify right side
    577,369,446.30x = 234,434,420,140,488,864
  5. Step 5: Solve for x
    x = 234,434,420,140,488,864/577,369,446.30
  6. Step 6: Final answer
    x = 406,038,839.85

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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.