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Finding the Fourth Proportional to 466,803,585.72, 644,190,956.78 and 255,114,757.80

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Solution

The fourth proportional to 466,803,585.72, 644,190,956.78 and 255,114,757.80 is: 352,059,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,803,585.72 : 644,190,956.78 = 255,114,757.80 : x
  2. Step 2: Convert to fraction form
    466,803,585.72/644,190,956.78 = 255,114,757.80/x
  3. Step 3: Cross multiply
    466,803,585.72x = 644,190,956.78 × 255,114,757.80
  4. Step 4: Simplify right side
    466,803,585.72x = 164,342,619,914,604,384
  5. Step 5: Solve for x
    x = 164,342,619,914,604,384/466,803,585.72
  6. Step 6: Final answer
    x = 352,059,463.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.