Home / 361,151,234.67-498,391,633.08-196,139,985.15

Finding the Fourth Proportional to 361,151,234.67, 498,391,633.08 and 196,139,985.15

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Solution

The fourth proportional to 361,151,234.67, 498,391,633.08 and 196,139,985.15 is: 270,674,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,151,234.67 : 498,391,633.08 = 196,139,985.15 : x
  2. Step 2: Convert to fraction form
    361,151,234.67/498,391,633.08 = 196,139,985.15/x
  3. Step 3: Cross multiply
    361,151,234.67x = 498,391,633.08 × 196,139,985.15
  4. Step 4: Simplify right side
    361,151,234.67x = 97,754,527,511,195,456
  5. Step 5: Solve for x
    x = 97,754,527,511,195,456/361,151,234.67
  6. Step 6: Final answer
    x = 270,674,770.36

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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.