Home / 485,108,001.80-727,662,002.70-447,694,555.40

Finding the Fourth Proportional to 485,108,001.80, 727,662,002.70 and 447,694,555.40

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Solution

The fourth proportional to 485,108,001.80, 727,662,002.70 and 447,694,555.40 is: 671,541,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,108,001.80 : 727,662,002.70 = 447,694,555.40 : x
  2. Step 2: Convert to fraction form
    485,108,001.80/727,662,002.70 = 447,694,555.40/x
  3. Step 3: Cross multiply
    485,108,001.80x = 727,662,002.70 × 447,694,555.40
  4. Step 4: Simplify right side
    485,108,001.80x = 325,770,316,780,250,112
  5. Step 5: Solve for x
    x = 325,770,316,780,250,112/485,108,001.80
  6. Step 6: Final answer
    x = 671,541,833.10

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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.