Home / 655,876,957.44-983,815,436.23-219,177,641.61

Finding the Fourth Proportional to 655,876,957.44, 983,815,436.23 and 219,177,641.61

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Solution

The fourth proportional to 655,876,957.44, 983,815,436.23 and 219,177,641.61 is: 328,766,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,876,957.44 : 983,815,436.23 = 219,177,641.61 : x
  2. Step 2: Convert to fraction form
    655,876,957.44/983,815,436.23 = 219,177,641.61/x
  3. Step 3: Cross multiply
    655,876,957.44x = 983,815,436.23 × 219,177,641.61
  4. Step 4: Simplify right side
    655,876,957.44x = 215,630,347,092,404,768
  5. Step 5: Solve for x
    x = 215,630,347,092,404,768/655,876,957.44
  6. Step 6: Final answer
    x = 328,766,462.44

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1.5x scale

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.