Home / 410,629,135-615,972,042.78-119,498,669.32

Finding the Fourth Proportional to 410,629,135, 615,972,042.78 and 119,498,669.32

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Solution

The fourth proportional to 410,629,135, 615,972,042.78 and 119,498,669.32 is: 179,256,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,629,135 : 615,972,042.78 = 119,498,669.32 : x
  2. Step 2: Convert to fraction form
    410,629,135/615,972,042.78 = 119,498,669.32/x
  3. Step 3: Cross multiply
    410,629,135x = 615,972,042.78 × 119,498,669.32
  4. Step 4: Simplify right side
    410,629,135x = 73,607,839,450,532,112
  5. Step 5: Solve for x
    x = 73,607,839,450,532,112/410,629,135
  6. Step 6: Final answer
    x = 179,256,251.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.