Home / 485,280,779.60-727,921,169.40-482,257,470.80

Finding the Fourth Proportional to 485,280,779.60, 727,921,169.40 and 482,257,470.80

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Solution

The fourth proportional to 485,280,779.60, 727,921,169.40 and 482,257,470.80 is: 723,386,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,280,779.60 : 727,921,169.40 = 482,257,470.80 : x
  2. Step 2: Convert to fraction form
    485,280,779.60/727,921,169.40 = 482,257,470.80/x
  3. Step 3: Cross multiply
    485,280,779.60x = 727,921,169.40 × 482,257,470.80
  4. Step 4: Simplify right side
    485,280,779.60x = 351,045,422,096,622,336
  5. Step 5: Solve for x
    x = 351,045,422,096,622,336/485,280,779.60
  6. Step 6: Final answer
    x = 723,386,206.20

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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.