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Finding the Fourth Proportional to 598,766,006.60, 898,149,009.90 and 553,976,246.60

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Solution

The fourth proportional to 598,766,006.60, 898,149,009.90 and 553,976,246.60 is: 830,964,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,766,006.60 : 898,149,009.90 = 553,976,246.60 : x
  2. Step 2: Convert to fraction form
    598,766,006.60/898,149,009.90 = 553,976,246.60/x
  3. Step 3: Cross multiply
    598,766,006.60x = 898,149,009.90 × 553,976,246.60
  4. Step 4: Simplify right side
    598,766,006.60x = 497,553,217,391,908,224
  5. Step 5: Solve for x
    x = 497,553,217,391,908,224/598,766,006.60
  6. Step 6: Final answer
    x = 830,964,369.90

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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.