Home / 20,498,954,857.40-30,748,432,286.10-5,776,976,275.40

Finding the Fourth Proportional to 20,498,954,857.40, 30,748,432,286.10 and 5,776,976,275.40

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Solution

The fourth proportional to 20,498,954,857.40, 30,748,432,286.10 and 5,776,976,275.40 is: 8,665,464,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,954,857.40 : 30,748,432,286.10 = 5,776,976,275.40 : x
  2. Step 2: Convert to fraction form
    20,498,954,857.40/30,748,432,286.10 = 5,776,976,275.40/x
  3. Step 3: Cross multiply
    20,498,954,857.40x = 30,748,432,286.10 × 5,776,976,275.40
  4. Step 4: Simplify right side
    20,498,954,857.40x = 177,632,963,822,543,077,376
  5. Step 5: Solve for x
    x = 177,632,963,822,543,077,376/20,498,954,857.40
  6. Step 6: Final answer
    x = 8,665,464,413.10

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Double scale
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Similar ratio
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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.