Home / 660,550,545.90-990,825,818.85-272,173,463.10

Finding the Fourth Proportional to 660,550,545.90, 990,825,818.85 and 272,173,463.10

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Solution

The fourth proportional to 660,550,545.90, 990,825,818.85 and 272,173,463.10 is: 408,260,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,550,545.90 : 990,825,818.85 = 272,173,463.10 : x
  2. Step 2: Convert to fraction form
    660,550,545.90/990,825,818.85 = 272,173,463.10/x
  3. Step 3: Cross multiply
    660,550,545.90x = 990,825,818.85 × 272,173,463.10
  4. Step 4: Simplify right side
    660,550,545.90x = 269,676,494,445,297,792
  5. Step 5: Solve for x
    x = 269,676,494,445,297,792/660,550,545.90
  6. Step 6: Final answer
    x = 408,260,194.65

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1.5x scale

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.