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Finding the Fourth Proportional to 495,598,539.90, 743,397,809.85 and 266,016,027.90

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Solution

The fourth proportional to 495,598,539.90, 743,397,809.85 and 266,016,027.90 is: 399,024,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,598,539.90 : 743,397,809.85 = 266,016,027.90 : x
  2. Step 2: Convert to fraction form
    495,598,539.90/743,397,809.85 = 266,016,027.90/x
  3. Step 3: Cross multiply
    495,598,539.90x = 743,397,809.85 × 266,016,027.90
  4. Step 4: Simplify right side
    495,598,539.90x = 197,755,732,525,856,512
  5. Step 5: Solve for x
    x = 197,755,732,525,856,512/495,598,539.90
  6. Step 6: Final answer
    x = 399,024,041.85

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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.