Home / 3,989,088,001.70-5,983,632,002.55-3,662,570,651.30

Finding the Fourth Proportional to 3,989,088,001.70, 5,983,632,002.55 and 3,662,570,651.30

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Solution

The fourth proportional to 3,989,088,001.70, 5,983,632,002.55 and 3,662,570,651.30 is: 5,493,855,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,001.70 : 5,983,632,002.55 = 3,662,570,651.30 : x
  2. Step 2: Convert to fraction form
    3,989,088,001.70/5,983,632,002.55 = 3,662,570,651.30/x
  3. Step 3: Cross multiply
    3,989,088,001.70x = 5,983,632,002.55 × 3,662,570,651.30
  4. Step 4: Simplify right side
    3,989,088,001.70x = 21,915,474,960,719,077,376
  5. Step 5: Solve for x
    x = 21,915,474,960,719,077,376/3,989,088,001.70
  6. Step 6: Final answer
    x = 5,493,855,976.95

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Double scale
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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.