Home / 18,197,890,910.90-27,296,836,366.35-7,156,767,173.30

Finding the Fourth Proportional to 18,197,890,910.90, 27,296,836,366.35 and 7,156,767,173.30

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Solution

The fourth proportional to 18,197,890,910.90, 27,296,836,366.35 and 7,156,767,173.30 is: 10,735,150,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,890,910.90 : 27,296,836,366.35 = 7,156,767,173.30 : x
  2. Step 2: Convert to fraction form
    18,197,890,910.90/27,296,836,366.35 = 7,156,767,173.30/x
  3. Step 3: Cross multiply
    18,197,890,910.90x = 27,296,836,366.35 × 7,156,767,173.30
  4. Step 4: Simplify right side
    18,197,890,910.90x = 195,357,102,441,635,315,712
  5. Step 5: Solve for x
    x = 195,357,102,441,635,315,712/18,197,890,910.90
  6. Step 6: Final answer
    x = 10,735,150,759.95

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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.