Home / 456,655,679.30-630,184,841.96-247,811,821.95

Finding the Fourth Proportional to 456,655,679.30, 630,184,841.96 and 247,811,821.95

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Solution

The fourth proportional to 456,655,679.30, 630,184,841.96 and 247,811,821.95 is: 341,980,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,655,679.30 : 630,184,841.96 = 247,811,821.95 : x
  2. Step 2: Convert to fraction form
    456,655,679.30/630,184,841.96 = 247,811,821.95/x
  3. Step 3: Cross multiply
    456,655,679.30x = 630,184,841.96 × 247,811,821.95
  4. Step 4: Simplify right side
    456,655,679.30x = 156,167,253,850,141,344
  5. Step 5: Solve for x
    x = 156,167,253,850,141,344/456,655,679.30
  6. Step 6: Final answer
    x = 341,980,316.75

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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.