Home / 2,126,022,963.20-3,189,034,444.80-1,954,030,284.80

Finding the Fourth Proportional to 2,126,022,963.20, 3,189,034,444.80 and 1,954,030,284.80

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Solution

The fourth proportional to 2,126,022,963.20, 3,189,034,444.80 and 1,954,030,284.80 is: 2,931,045,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,022,963.20 : 3,189,034,444.80 = 1,954,030,284.80 : x
  2. Step 2: Convert to fraction form
    2,126,022,963.20/3,189,034,444.80 = 1,954,030,284.80/x
  3. Step 3: Cross multiply
    2,126,022,963.20x = 3,189,034,444.80 × 1,954,030,284.80
  4. Step 4: Simplify right side
    2,126,022,963.20x = 6,231,469,884,409,553,920
  5. Step 5: Solve for x
    x = 6,231,469,884,409,553,920/2,126,022,963.20
  6. Step 6: Final answer
    x = 2,931,045,427.20

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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.