Home / 3,452,855,768.43-4,764,745,320.27-1,947,392,139.40

Finding the Fourth Proportional to 3,452,855,768.43, 4,764,745,320.27 and 1,947,392,139.40

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Solution

The fourth proportional to 3,452,855,768.43, 4,764,745,320.27 and 1,947,392,139.40 is: 2,687,290,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452,855,768.43 : 4,764,745,320.27 = 1,947,392,139.40 : x
  2. Step 2: Convert to fraction form
    3,452,855,768.43/4,764,745,320.27 = 1,947,392,139.40/x
  3. Step 3: Cross multiply
    3,452,855,768.43x = 4,764,745,320.27 × 1,947,392,139.40
  4. Step 4: Simplify right side
    3,452,855,768.43x = 9,278,827,582,917,421,056
  5. Step 5: Solve for x
    x = 9,278,827,582,917,421,056/3,452,855,768.43
  6. Step 6: Final answer
    x = 2,687,290,812.37

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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.