Home / 488,849,677.95-674,630,294.72-280,046,175.87

Finding the Fourth Proportional to 488,849,677.95, 674,630,294.72 and 280,046,175.87

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Solution

The fourth proportional to 488,849,677.95, 674,630,294.72 and 280,046,175.87 is: 386,473,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,849,677.95 : 674,630,294.72 = 280,046,175.87 : x
  2. Step 2: Convert to fraction form
    488,849,677.95/674,630,294.72 = 280,046,175.87/x
  3. Step 3: Cross multiply
    488,849,677.95x = 674,630,294.72 × 280,046,175.87
  4. Step 4: Simplify right side
    488,849,677.95x = 188,927,634,160,986,848
  5. Step 5: Solve for x
    x = 188,927,634,160,986,848/488,849,677.95
  6. Step 6: Final answer
    x = 386,473,884.88

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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.