Home / 315,203,653,347.75-472,707,693,844.07-113,719,195,835.73

Finding the Fourth Proportional to 315,203,653,347.75, 472,707,693,844.07 and 113,719,195,835.73

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Solution

The fourth proportional to 315,203,653,347.75, 472,707,693,844.07 and 113,719,195,835.73 is: 170,543,514,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,203,653,347.75 : 472,707,693,844.07 = 113,719,195,835.73 : x
  2. Step 2: Convert to fraction form
    315,203,653,347.75/472,707,693,844.07 = 113,719,195,835.73/x
  3. Step 3: Cross multiply
    315,203,653,347.75x = 472,707,693,844.07 × 113,719,195,835.73
  4. Step 4: Simplify right side
    315,203,653,347.75x = 53,755,938,809,310,093,508,608
  5. Step 5: Solve for x
    x = 53,755,938,809,310,093,508,608/315,203,653,347.75
  6. Step 6: Final answer
    x = 170,543,514,449.70

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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.