Home / 80,785,594,423.40-121,178,391,635.10-21,897,680,095.40

Finding the Fourth Proportional to 80,785,594,423.40, 121,178,391,635.10 and 21,897,680,095.40

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Solution

The fourth proportional to 80,785,594,423.40, 121,178,391,635.10 and 21,897,680,095.40 is: 32,846,520,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785,594,423.40 : 121,178,391,635.10 = 21,897,680,095.40 : x
  2. Step 2: Convert to fraction form
    80,785,594,423.40/121,178,391,635.10 = 21,897,680,095.40/x
  3. Step 3: Cross multiply
    80,785,594,423.40x = 121,178,391,635.10 × 21,897,680,095.40
  4. Step 4: Simplify right side
    80,785,594,423.40x = 2,653,525,654,500,515,250,176
  5. Step 5: Solve for x
    x = 2,653,525,654,500,515,250,176/80,785,594,423.40
  6. Step 6: Final answer
    x = 32,846,520,143.10

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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.