Home / 1,170,083,894.60-1,755,125,841.90-393,471,446.60

Finding the Fourth Proportional to 1,170,083,894.60, 1,755,125,841.90 and 393,471,446.60

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Solution

The fourth proportional to 1,170,083,894.60, 1,755,125,841.90 and 393,471,446.60 is: 590,207,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,083,894.60 : 1,755,125,841.90 = 393,471,446.60 : x
  2. Step 2: Convert to fraction form
    1,170,083,894.60/1,755,125,841.90 = 393,471,446.60/x
  3. Step 3: Cross multiply
    1,170,083,894.60x = 1,755,125,841.90 × 393,471,446.60
  4. Step 4: Simplify right side
    1,170,083,894.60x = 690,591,903,977,436,032
  5. Step 5: Solve for x
    x = 690,591,903,977,436,032/1,170,083,894.60
  6. Step 6: Final answer
    x = 590,207,169.90

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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.