Home / 681,544,431.50-940,531,275.56-368,278,636.55

Finding the Fourth Proportional to 681,544,431.50, 940,531,275.56 and 368,278,636.55

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Solution

The fourth proportional to 681,544,431.50, 940,531,275.56 and 368,278,636.55 is: 508,224,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,544,431.50 : 940,531,275.56 = 368,278,636.55 : x
  2. Step 2: Convert to fraction form
    681,544,431.50/940,531,275.56 = 368,278,636.55/x
  3. Step 3: Cross multiply
    681,544,431.50x = 940,531,275.56 × 368,278,636.55
  4. Step 4: Simplify right side
    681,544,431.50x = 346,377,575,792,087,168
  5. Step 5: Solve for x
    x = 346,377,575,792,087,168/681,544,431.50
  6. Step 6: Final answer
    x = 508,224,496.87

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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.