Home / 485,102,692.20-727,653,955.24-153,342,593.04

Finding the Fourth Proportional to 485,102,692.20, 727,653,955.24 and 153,342,593.04

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Solution

The fourth proportional to 485,102,692.20, 727,653,955.24 and 153,342,593.04 is: 230,013,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,102,692.20 : 727,653,955.24 = 153,342,593.04 : x
  2. Step 2: Convert to fraction form
    485,102,692.20/727,653,955.24 = 153,342,593.04/x
  3. Step 3: Cross multiply
    485,102,692.20x = 727,653,955.24 × 153,342,593.04
  4. Step 4: Simplify right side
    485,102,692.20x = 111,580,344,332,313,696
  5. Step 5: Solve for x
    x = 111,580,344,332,313,696/485,102,692.20
  6. Step 6: Final answer
    x = 230,013,863.30

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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.