Home / 457,528,254.48-685,906,653.24-198,548,380.08

Finding the Fourth Proportional to 457,528,254.48, 685,906,653.24 and 198,548,380.08

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Solution

The fourth proportional to 457,528,254.48, 685,906,653.24 and 198,548,380.08 is: 297,655,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,528,254.48 : 685,906,653.24 = 198,548,380.08 : x
  2. Step 2: Convert to fraction form
    457,528,254.48/685,906,653.24 = 198,548,380.08/x
  3. Step 3: Cross multiply
    457,528,254.48x = 685,906,653.24 × 198,548,380.08
  4. Step 4: Simplify right side
    457,528,254.48x = 136,185,654,886,896,288
  5. Step 5: Solve for x
    x = 136,185,654,886,896,288/457,528,254.48
  6. Step 6: Final answer
    x = 297,655,179.88

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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.