Home / 544,969,069.61-753,041,067.38-388,063,772.78

Finding the Fourth Proportional to 544,969,069.61, 753,041,067.38 and 388,063,772.78

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Solution

The fourth proportional to 544,969,069.61, 753,041,067.38 and 388,063,772.78 is: 536,228,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,969,069.61 : 753,041,067.38 = 388,063,772.78 : x
  2. Step 2: Convert to fraction form
    544,969,069.61/753,041,067.38 = 388,063,772.78/x
  3. Step 3: Cross multiply
    544,969,069.61x = 753,041,067.38 × 388,063,772.78
  4. Step 4: Simplify right side
    544,969,069.61x = 292,227,957,662,965,952
  5. Step 5: Solve for x
    x = 292,227,957,662,965,952/544,969,069.61
  6. Step 6: Final answer
    x = 536,228,520.04

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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.