Home / 1,170,083,896.60-1,755,125,844.90-393,471,448.60

Finding the Fourth Proportional to 1,170,083,896.60, 1,755,125,844.90 and 393,471,448.60

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Solution

The fourth proportional to 1,170,083,896.60, 1,755,125,844.90 and 393,471,448.60 is: 590,207,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,083,896.60 : 1,755,125,844.90 = 393,471,448.60 : x
  2. Step 2: Convert to fraction form
    1,170,083,896.60/1,755,125,844.90 = 393,471,448.60/x
  3. Step 3: Cross multiply
    1,170,083,896.60x = 1,755,125,844.90 × 393,471,448.60
  4. Step 4: Simplify right side
    1,170,083,896.60x = 690,591,908,668,102,016
  5. Step 5: Solve for x
    x = 690,591,908,668,102,016/1,170,083,896.60
  6. Step 6: Final answer
    x = 590,207,172.90

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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.