Home / 485,053,080.90-727,685,909.55-239,527,338.90

Finding the Fourth Proportional to 485,053,080.90, 727,685,909.55 and 239,527,338.90

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Solution

The fourth proportional to 485,053,080.90, 727,685,909.55 and 239,527,338.90 is: 359,343,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,053,080.90 : 727,685,909.55 = 239,527,338.90 : x
  2. Step 2: Convert to fraction form
    485,053,080.90/727,685,909.55 = 239,527,338.90/x
  3. Step 3: Cross multiply
    485,053,080.90x = 727,685,909.55 × 239,527,338.90
  4. Step 4: Simplify right side
    485,053,080.90x = 174,300,669,469,537,600
  5. Step 5: Solve for x
    x = 174,300,669,469,537,600/485,053,080.90
  6. Step 6: Final answer
    x = 359,343,495.24

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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.