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Finding the Fourth Proportional to 577,599,763.70, 866,306,679.15 and 168,560,045.30

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Solution

The fourth proportional to 577,599,763.70, 866,306,679.15 and 168,560,045.30 is: 252,812,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,599,763.70 : 866,306,679.15 = 168,560,045.30 : x
  2. Step 2: Convert to fraction form
    577,599,763.70/866,306,679.15 = 168,560,045.30/x
  3. Step 3: Cross multiply
    577,599,763.70x = 866,306,679.15 × 168,560,045.30
  4. Step 4: Simplify right side
    577,599,763.70x = 146,024,693,081,216,576
  5. Step 5: Solve for x
    x = 146,024,693,081,216,576/577,599,763.70
  6. Step 6: Final answer
    x = 252,812,937.71

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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.