Home / 345,785,671.93-477,195,608.94-189,149,194.39

Finding the Fourth Proportional to 345,785,671.93, 477,195,608.94 and 189,149,194.39

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Solution

The fourth proportional to 345,785,671.93, 477,195,608.94 and 189,149,194.39 is: 261,032,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,785,671.93 : 477,195,608.94 = 189,149,194.39 : x
  2. Step 2: Convert to fraction form
    345,785,671.93/477,195,608.94 = 189,149,194.39/x
  3. Step 3: Cross multiply
    345,785,671.93x = 477,195,608.94 × 189,149,194.39
  4. Step 4: Simplify right side
    345,785,671.93x = 90,261,164,996,500,736
  5. Step 5: Solve for x
    x = 90,261,164,996,500,736/345,785,671.93
  6. Step 6: Final answer
    x = 261,032,114.18

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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.