Home / 315,203,653,433.78-472,707,693,971.92-113,719,195,921.77

Finding the Fourth Proportional to 315,203,653,433.78, 472,707,693,971.92 and 113,719,195,921.77

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Solution

The fourth proportional to 315,203,653,433.78, 472,707,693,971.92 and 113,719,195,921.77 is: 170,543,514,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,203,653,433.78 : 472,707,693,971.92 = 113,719,195,921.77 : x
  2. Step 2: Convert to fraction form
    315,203,653,433.78/472,707,693,971.92 = 113,719,195,921.77/x
  3. Step 3: Cross multiply
    315,203,653,433.78x = 472,707,693,971.92 × 113,719,195,921.77
  4. Step 4: Simplify right side
    315,203,653,433.78x = 53,755,938,864,520,866,299,904
  5. Step 5: Solve for x
    x = 53,755,938,864,520,866,299,904/315,203,653,433.78
  6. Step 6: Final answer
    x = 170,543,514,578.31

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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.