Home / 2,781,984,048.60-4,172,976,072.90-1,965,690,672.60

Finding the Fourth Proportional to 2,781,984,048.60, 4,172,976,072.90 and 1,965,690,672.60

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Solution

The fourth proportional to 2,781,984,048.60, 4,172,976,072.90 and 1,965,690,672.60 is: 2,948,536,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,984,048.60 : 4,172,976,072.90 = 1,965,690,672.60 : x
  2. Step 2: Convert to fraction form
    2,781,984,048.60/4,172,976,072.90 = 1,965,690,672.60/x
  3. Step 3: Cross multiply
    2,781,984,048.60x = 4,172,976,072.90 × 1,965,690,672.60
  4. Step 4: Simplify right side
    2,781,984,048.60x = 8,202,780,143,482,507,264
  5. Step 5: Solve for x
    x = 8,202,780,143,482,507,264/2,781,984,048.60
  6. Step 6: Final answer
    x = 2,948,536,008.90

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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.