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Finding the Fourth Proportional to 606,770,999.70, 910,156,499.55 and 348,781,982.10

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Solution

The fourth proportional to 606,770,999.70, 910,156,499.55 and 348,781,982.10 is: 523,172,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,770,999.70 : 910,156,499.55 = 348,781,982.10 : x
  2. Step 2: Convert to fraction form
    606,770,999.70/910,156,499.55 = 348,781,982.10/x
  3. Step 3: Cross multiply
    606,770,999.70x = 910,156,499.55 × 348,781,982.10
  4. Step 4: Simplify right side
    606,770,999.70x = 317,446,187,934,246,784
  5. Step 5: Solve for x
    x = 317,446,187,934,246,784/606,770,999.70
  6. Step 6: Final answer
    x = 523,172,973.15

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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.