Home / 445,697,198.43-615,081,343.56-247,458,702.94

Finding the Fourth Proportional to 445,697,198.43, 615,081,343.56 and 247,458,702.94

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Solution

The fourth proportional to 445,697,198.43, 615,081,343.56 and 247,458,702.94 is: 341,503,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,697,198.43 : 615,081,343.56 = 247,458,702.94 : x
  2. Step 2: Convert to fraction form
    445,697,198.43/615,081,343.56 = 247,458,702.94/x
  3. Step 3: Cross multiply
    445,697,198.43x = 615,081,343.56 × 247,458,702.94
  4. Step 4: Simplify right side
    445,697,198.43x = 152,207,231,480,887,456
  5. Step 5: Solve for x
    x = 152,207,231,480,887,456/445,697,198.43
  6. Step 6: Final answer
    x = 341,503,675.63

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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.