Home / 485,309,696.70-727,892,788.77-178,530,065.04

Finding the Fourth Proportional to 485,309,696.70, 727,892,788.77 and 178,530,065.04

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Solution

The fourth proportional to 485,309,696.70, 727,892,788.77 and 178,530,065.04 is: 267,768,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,309,696.70 : 727,892,788.77 = 178,530,065.04 : x
  2. Step 2: Convert to fraction form
    485,309,696.70/727,892,788.77 = 178,530,065.04/x
  3. Step 3: Cross multiply
    485,309,696.70x = 727,892,788.77 × 178,530,065.04
  4. Step 4: Simplify right side
    485,309,696.70x = 129,950,746,921,255,072
  5. Step 5: Solve for x
    x = 129,950,746,921,255,072/485,309,696.70
  6. Step 6: Final answer
    x = 267,768,700.70

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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.