Home / 485,055,308.32-727,588,736.22-135,280,095.08

Finding the Fourth Proportional to 485,055,308.32, 727,588,736.22 and 135,280,095.08

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Solution

The fourth proportional to 485,055,308.32, 727,588,736.22 and 135,280,095.08 is: 202,921,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,055,308.32 : 727,588,736.22 = 135,280,095.08 : x
  2. Step 2: Convert to fraction form
    485,055,308.32/727,588,736.22 = 135,280,095.08/x
  3. Step 3: Cross multiply
    485,055,308.32x = 727,588,736.22 × 135,280,095.08
  4. Step 4: Simplify right side
    485,055,308.32x = 98,428,273,418,108,576
  5. Step 5: Solve for x
    x = 98,428,273,418,108,576/485,055,308.32
  6. Step 6: Final answer
    x = 202,921,752.90

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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.