Home / 548,115,803.52-822,222,019.38-154,646,076.62

Finding the Fourth Proportional to 548,115,803.52, 822,222,019.38 and 154,646,076.62

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Solution

The fourth proportional to 548,115,803.52, 822,222,019.38 and 154,646,076.62 is: 231,982,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,115,803.52 : 822,222,019.38 = 154,646,076.62 : x
  2. Step 2: Convert to fraction form
    548,115,803.52/822,222,019.38 = 154,646,076.62/x
  3. Step 3: Cross multiply
    548,115,803.52x = 822,222,019.38 × 154,646,076.62
  4. Step 4: Simplify right side
    548,115,803.52x = 127,153,409,409,458,512
  5. Step 5: Solve for x
    x = 127,153,409,409,458,512/548,115,803.52
  6. Step 6: Final answer
    x = 231,982,746.33

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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.