Home / 457,528,255.98-685,906,655.49-198,548,381.58

Finding the Fourth Proportional to 457,528,255.98, 685,906,655.49 and 198,548,381.58

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Solution

The fourth proportional to 457,528,255.98, 685,906,655.49 and 198,548,381.58 is: 297,655,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,528,255.98 : 685,906,655.49 = 198,548,381.58 : x
  2. Step 2: Convert to fraction form
    457,528,255.98/685,906,655.49 = 198,548,381.58/x
  3. Step 3: Cross multiply
    457,528,255.98x = 685,906,655.49 × 198,548,381.58
  4. Step 4: Simplify right side
    457,528,255.98x = 136,185,656,362,490,128
  5. Step 5: Solve for x
    x = 136,185,656,362,490,128/457,528,255.98
  6. Step 6: Final answer
    x = 297,655,182.13

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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.