Home / 361,853,064.72-499,356,851.40-196,840,240.56

Finding the Fourth Proportional to 361,853,064.72, 499,356,851.40 and 196,840,240.56

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Solution

The fourth proportional to 361,853,064.72, 499,356,851.40 and 196,840,240.56 is: 271,639,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,853,064.72 : 499,356,851.40 = 196,840,240.56 : x
  2. Step 2: Convert to fraction form
    361,853,064.72/499,356,851.40 = 196,840,240.56/x
  3. Step 3: Cross multiply
    361,853,064.72x = 499,356,851.40 × 196,840,240.56
  4. Step 4: Simplify right side
    361,853,064.72x = 98,293,522,754,860,176
  5. Step 5: Solve for x
    x = 98,293,522,754,860,176/361,853,064.72
  6. Step 6: Final answer
    x = 271,639,326.40

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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.