Home / 2,420,380,489.01-3,340,091,122.61-1,348,728,987.15

Finding the Fourth Proportional to 2,420,380,489.01, 3,340,091,122.61 and 1,348,728,987.15

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Solution

The fourth proportional to 2,420,380,489.01, 3,340,091,122.61 and 1,348,728,987.15 is: 1,861,227,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,380,489.01 : 3,340,091,122.61 = 1,348,728,987.15 : x
  2. Step 2: Convert to fraction form
    2,420,380,489.01/3,340,091,122.61 = 1,348,728,987.15/x
  3. Step 3: Cross multiply
    2,420,380,489.01x = 3,340,091,122.61 × 1,348,728,987.15
  4. Step 4: Simplify right side
    2,420,380,489.01x = 4,504,877,716,779,748,352
  5. Step 5: Solve for x
    x = 4,504,877,716,779,748,352/2,420,380,489.01
  6. Step 6: Final answer
    x = 1,861,227,082.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.