Home / 627,488,252.35-940,141,595.48-440,345,290

Finding the Fourth Proportional to 627,488,252.35, 940,141,595.48 and 440,345,290

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Solution

The fourth proportional to 627,488,252.35, 940,141,595.48 and 440,345,290 is: 659,752,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,488,252.35 : 940,141,595.48 = 440,345,290 : x
  2. Step 2: Convert to fraction form
    627,488,252.35/940,141,595.48 = 440,345,290/x
  3. Step 3: Cross multiply
    627,488,252.35x = 940,141,595.48 × 440,345,290
  4. Step 4: Simplify right side
    627,488,252.35x = 413,986,923,500,501,568
  5. Step 5: Solve for x
    x = 413,986,923,500,501,568/627,488,252.35
  6. Step 6: Final answer
    x = 659,752,468.59

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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.