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Finding the Fourth Proportional to 959,096,470.45, 1,438,644,705.68 and 959,096,470.45

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Solution

The fourth proportional to 959,096,470.45, 1,438,644,705.68 and 959,096,470.45 is: 1,438,644,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,096,470.45 : 1,438,644,705.68 = 959,096,470.45 : x
  2. Step 2: Convert to fraction form
    959,096,470.45/1,438,644,705.68 = 959,096,470.45/x
  3. Step 3: Cross multiply
    959,096,470.45x = 1,438,644,705.68 × 959,096,470.45
  4. Step 4: Simplify right side
    959,096,470.45x = 1,379,799,059,449,267,200
  5. Step 5: Solve for x
    x = 1,379,799,059,449,267,200/959,096,470.45
  6. Step 6: Final answer
    x = 1,438,644,705.68

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1.5x scale

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.