Home / 3,452,855,769.43-4,764,745,321.65-1,947,392,140.40

Finding the Fourth Proportional to 3,452,855,769.43, 4,764,745,321.65 and 1,947,392,140.40

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Solution

The fourth proportional to 3,452,855,769.43, 4,764,745,321.65 and 1,947,392,140.40 is: 2,687,290,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452,855,769.43 : 4,764,745,321.65 = 1,947,392,140.40 : x
  2. Step 2: Convert to fraction form
    3,452,855,769.43/4,764,745,321.65 = 1,947,392,140.40/x
  3. Step 3: Cross multiply
    3,452,855,769.43x = 4,764,745,321.65 × 1,947,392,140.40
  4. Step 4: Simplify right side
    3,452,855,769.43x = 9,278,827,590,388,879,360
  5. Step 5: Solve for x
    x = 9,278,827,590,388,879,360/3,452,855,769.43
  6. Step 6: Final answer
    x = 2,687,290,813.75

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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.