Home / 488,849,677.20-674,630,293.68-280,046,175.12

Finding the Fourth Proportional to 488,849,677.20, 674,630,293.68 and 280,046,175.12

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Solution

The fourth proportional to 488,849,677.20, 674,630,293.68 and 280,046,175.12 is: 386,473,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,849,677.20 : 674,630,293.68 = 280,046,175.12 : x
  2. Step 2: Convert to fraction form
    488,849,677.20/674,630,293.68 = 280,046,175.12/x
  3. Step 3: Cross multiply
    488,849,677.20x = 674,630,293.68 × 280,046,175.12
  4. Step 4: Simplify right side
    488,849,677.20x = 188,927,633,365,166,304
  5. Step 5: Solve for x
    x = 188,927,633,365,166,304/488,849,677.20
  6. Step 6: Final answer
    x = 386,473,883.85

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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.