Home / 80,785,595,228.40-121,178,392,842.60-21,897,680,900.40

Finding the Fourth Proportional to 80,785,595,228.40, 121,178,392,842.60 and 21,897,680,900.40

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Solution

The fourth proportional to 80,785,595,228.40, 121,178,392,842.60 and 21,897,680,900.40 is: 32,846,521,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785,595,228.40 : 121,178,392,842.60 = 21,897,680,900.40 : x
  2. Step 2: Convert to fraction form
    80,785,595,228.40/121,178,392,842.60 = 21,897,680,900.40/x
  3. Step 3: Cross multiply
    80,785,595,228.40x = 121,178,392,842.60 × 21,897,680,900.40
  4. Step 4: Simplify right side
    80,785,595,228.40x = 2,653,525,778,490,570,309,632
  5. Step 5: Solve for x
    x = 2,653,525,778,490,570,309,632/80,785,595,228.40
  6. Step 6: Final answer
    x = 32,846,521,350.60

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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.