Home / 398,474,332.16-597,149,634.24-188,160,616.32

Finding the Fourth Proportional to 398,474,332.16, 597,149,634.24 and 188,160,616.32

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Solution

The fourth proportional to 398,474,332.16, 597,149,634.24 and 188,160,616.32 is: 281,975,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,474,332.16 : 597,149,634.24 = 188,160,616.32 : x
  2. Step 2: Convert to fraction form
    398,474,332.16/597,149,634.24 = 188,160,616.32/x
  3. Step 3: Cross multiply
    398,474,332.16x = 597,149,634.24 × 188,160,616.32
  4. Step 4: Simplify right side
    398,474,332.16x = 112,360,043,213,860,976
  5. Step 5: Solve for x
    x = 112,360,043,213,860,976/398,474,332.16
  6. Step 6: Final answer
    x = 281,975,610.84

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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.