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Finding the Fourth Proportional to 1,169,724,375.60, 1,755,258,409.80 and 443,234,468.40

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Solution

The fourth proportional to 1,169,724,375.60, 1,755,258,409.80 and 443,234,468.40 is: 665,106,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,724,375.60 : 1,755,258,409.80 = 443,234,468.40 : x
  2. Step 2: Convert to fraction form
    1,169,724,375.60/1,755,258,409.80 = 443,234,468.40/x
  3. Step 3: Cross multiply
    1,169,724,375.60x = 1,755,258,409.80 × 443,234,468.40
  4. Step 4: Simplify right side
    1,169,724,375.60x = 777,991,028,172,332,288
  5. Step 5: Solve for x
    x = 777,991,028,172,332,288/1,169,724,375.60
  6. Step 6: Final answer
    x = 665,106,280.08

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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.