Home / 20,498,954,861.40-30,748,432,292.10-5,776,976,279.40

Finding the Fourth Proportional to 20,498,954,861.40, 30,748,432,292.10 and 5,776,976,279.40

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Solution

The fourth proportional to 20,498,954,861.40, 30,748,432,292.10 and 5,776,976,279.40 is: 8,665,464,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,954,861.40 : 30,748,432,292.10 = 5,776,976,279.40 : x
  2. Step 2: Convert to fraction form
    20,498,954,861.40/30,748,432,292.10 = 5,776,976,279.40/x
  3. Step 3: Cross multiply
    20,498,954,861.40x = 30,748,432,292.10 × 5,776,976,279.40
  4. Step 4: Simplify right side
    20,498,954,861.40x = 177,632,963,980,198,641,664
  5. Step 5: Solve for x
    x = 177,632,963,980,198,641,664/20,498,954,861.40
  6. Step 6: Final answer
    x = 8,665,464,419.10

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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.