Home / 672,192,867.70-1,008,289,301.55-161,589,603.70

Finding the Fourth Proportional to 672,192,867.70, 1,008,289,301.55 and 161,589,603.70

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Solution

The fourth proportional to 672,192,867.70, 1,008,289,301.55 and 161,589,603.70 is: 242,384,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,192,867.70 : 1,008,289,301.55 = 161,589,603.70 : x
  2. Step 2: Convert to fraction form
    672,192,867.70/1,008,289,301.55 = 161,589,603.70/x
  3. Step 3: Cross multiply
    672,192,867.70x = 1,008,289,301.55 × 161,589,603.70
  4. Step 4: Simplify right side
    672,192,867.70x = 162,929,068,652,414,272
  5. Step 5: Solve for x
    x = 162,929,068,652,414,272/672,192,867.70
  6. Step 6: Final answer
    x = 242,384,405.55

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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.