Home / 681,472,794.26-940,432,457.89-368,207,008.23

Finding the Fourth Proportional to 681,472,794.26, 940,432,457.89 and 368,207,008.23

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Solution

The fourth proportional to 681,472,794.26, 940,432,457.89 and 368,207,008.23 is: 508,125,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,472,794.26 : 940,432,457.89 = 368,207,008.23 : x
  2. Step 2: Convert to fraction form
    681,472,794.26/940,432,457.89 = 368,207,008.23/x
  3. Step 3: Cross multiply
    681,472,794.26x = 940,432,457.89 × 368,207,008.23
  4. Step 4: Simplify right side
    681,472,794.26x = 346,273,821,762,062,400
  5. Step 5: Solve for x
    x = 346,273,821,762,062,400/681,472,794.26
  6. Step 6: Final answer
    x = 508,125,672.34

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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.