Home / 2,105,174,383.20-3,154,360,352.40-1,327,428,194.40

Finding the Fourth Proportional to 2,105,174,383.20, 3,154,360,352.40 and 1,327,428,194.40

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Solution

The fourth proportional to 2,105,174,383.20, 3,154,360,352.40 and 1,327,428,194.40 is: 1,988,997,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,174,383.20 : 3,154,360,352.40 = 1,327,428,194.40 : x
  2. Step 2: Convert to fraction form
    2,105,174,383.20/3,154,360,352.40 = 1,327,428,194.40/x
  3. Step 3: Cross multiply
    2,105,174,383.20x = 3,154,360,352.40 × 1,327,428,194.40
  4. Step 4: Simplify right side
    2,105,174,383.20x = 4,187,186,867,073,280,000
  5. Step 5: Solve for x
    x = 4,187,186,867,073,280,000/2,105,174,383.20
  6. Step 6: Final answer
    x = 1,988,997,633.87

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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.