Home / 665,913,154.56-998,965,440.42-205,887,196.14

Finding the Fourth Proportional to 665,913,154.56, 998,965,440.42 and 205,887,196.14

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Solution

The fourth proportional to 665,913,154.56, 998,965,440.42 and 205,887,196.14 is: 308,860,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,913,154.56 : 998,965,440.42 = 205,887,196.14 : x
  2. Step 2: Convert to fraction form
    665,913,154.56/998,965,440.42 = 205,887,196.14/x
  3. Step 3: Cross multiply
    665,913,154.56x = 998,965,440.42 × 205,887,196.14
  4. Step 4: Simplify right side
    665,913,154.56x = 205,674,193,568,834,016
  5. Step 5: Solve for x
    x = 205,674,193,568,834,016/665,913,154.56
  6. Step 6: Final answer
    x = 308,860,385.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.