Home / 485,148,363.60-727,722,545.40-140,113,246.80

Finding the Fourth Proportional to 485,148,363.60, 727,722,545.40 and 140,113,246.80

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Solution

The fourth proportional to 485,148,363.60, 727,722,545.40 and 140,113,246.80 is: 210,169,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,148,363.60 : 727,722,545.40 = 140,113,246.80 : x
  2. Step 2: Convert to fraction form
    485,148,363.60/727,722,545.40 = 140,113,246.80/x
  3. Step 3: Cross multiply
    485,148,363.60x = 727,722,545.40 × 140,113,246.80
  4. Step 4: Simplify right side
    485,148,363.60x = 101,963,568,605,554,416
  5. Step 5: Solve for x
    x = 101,963,568,605,554,416/485,148,363.60
  6. Step 6: Final answer
    x = 210,169,870.20

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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.