Home / 850,633,747.90-1,275,950,621.85-305,304,423.10

Finding the Fourth Proportional to 850,633,747.90, 1,275,950,621.85 and 305,304,423.10

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Solution

The fourth proportional to 850,633,747.90, 1,275,950,621.85 and 305,304,423.10 is: 457,956,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,633,747.90 : 1,275,950,621.85 = 305,304,423.10 : x
  2. Step 2: Convert to fraction form
    850,633,747.90/1,275,950,621.85 = 305,304,423.10/x
  3. Step 3: Cross multiply
    850,633,747.90x = 1,275,950,621.85 × 305,304,423.10
  4. Step 4: Simplify right side
    850,633,747.90x = 389,553,368,508,000,512
  5. Step 5: Solve for x
    x = 389,553,368,508,000,512/850,633,747.90
  6. Step 6: Final answer
    x = 457,956,634.65

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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.