Home / 455,146,502.31-627,948,417.33-296,304,298.65

Finding the Fourth Proportional to 455,146,502.31, 627,948,417.33 and 296,304,298.65

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Solution

The fourth proportional to 455,146,502.31, 627,948,417.33 and 296,304,298.65 is: 408,799,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,146,502.31 : 627,948,417.33 = 296,304,298.65 : x
  2. Step 2: Convert to fraction form
    455,146,502.31/627,948,417.33 = 296,304,298.65/x
  3. Step 3: Cross multiply
    455,146,502.31x = 627,948,417.33 × 296,304,298.65
  4. Step 4: Simplify right side
    455,146,502.31x = 186,063,815,385,343,168
  5. Step 5: Solve for x
    x = 186,063,815,385,343,168/455,146,502.31
  6. Step 6: Final answer
    x = 408,799,835.75

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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.