Home / 1,117,627,780.16-1,542,256,843.38-615,808,481.51

Finding the Fourth Proportional to 1,117,627,780.16, 1,542,256,843.38 and 615,808,481.51

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Solution

The fourth proportional to 1,117,627,780.16, 1,542,256,843.38 and 615,808,481.51 is: 849,777,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,780.16 : 1,542,256,843.38 = 615,808,481.51 : x
  2. Step 2: Convert to fraction form
    1,117,627,780.16/1,542,256,843.38 = 615,808,481.51/x
  3. Step 3: Cross multiply
    1,117,627,780.16x = 1,542,256,843.38 × 615,808,481.51
  4. Step 4: Simplify right side
    1,117,627,780.16x = 949,734,844,813,856,512
  5. Step 5: Solve for x
    x = 949,734,844,813,856,512/1,117,627,780.16
  6. Step 6: Final answer
    x = 849,777,413.98

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Double scale
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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.