Home / 3,189,488,947.10-4,785,129,215.85-1,553,766,911.90

Finding the Fourth Proportional to 3,189,488,947.10, 4,785,129,215.85 and 1,553,766,911.90

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Solution

The fourth proportional to 3,189,488,947.10, 4,785,129,215.85 and 1,553,766,911.90 is: 2,331,086,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,488,947.10 : 4,785,129,215.85 = 1,553,766,911.90 : x
  2. Step 2: Convert to fraction form
    3,189,488,947.10/4,785,129,215.85 = 1,553,766,911.90/x
  3. Step 3: Cross multiply
    3,189,488,947.10x = 4,785,129,215.85 × 1,553,766,911.90
  4. Step 4: Simplify right side
    3,189,488,947.10x = 7,434,975,444,753,724,416
  5. Step 5: Solve for x
    x = 7,434,975,444,753,724,416/3,189,488,947.10
  6. Step 6: Final answer
    x = 2,331,086,756.55

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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.