Home / 20,785,400,546.20-31,178,100,819.30-16,867,192,341.40

Finding the Fourth Proportional to 20,785,400,546.20, 31,178,100,819.30 and 16,867,192,341.40

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Solution

The fourth proportional to 20,785,400,546.20, 31,178,100,819.30 and 16,867,192,341.40 is: 25,300,788,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,400,546.20 : 31,178,100,819.30 = 16,867,192,341.40 : x
  2. Step 2: Convert to fraction form
    20,785,400,546.20/31,178,100,819.30 = 16,867,192,341.40/x
  3. Step 3: Cross multiply
    20,785,400,546.20x = 31,178,100,819.30 × 16,867,192,341.40
  4. Step 4: Simplify right side
    20,785,400,546.20x = 525,887,023,358,693,998,592
  5. Step 5: Solve for x
    x = 525,887,023,358,693,998,592/20,785,400,546.20
  6. Step 6: Final answer
    x = 25,300,788,512.10

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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.