Home / 655,876,956.07-983,815,434.17-219,177,640.23

Finding the Fourth Proportional to 655,876,956.07, 983,815,434.17 and 219,177,640.23

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Solution

The fourth proportional to 655,876,956.07, 983,815,434.17 and 219,177,640.23 is: 328,766,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,876,956.07 : 983,815,434.17 = 219,177,640.23 : x
  2. Step 2: Convert to fraction form
    655,876,956.07/983,815,434.17 = 219,177,640.23/x
  3. Step 3: Cross multiply
    655,876,956.07x = 983,815,434.17 × 219,177,640.23
  4. Step 4: Simplify right side
    655,876,956.07x = 215,630,345,283,233,504
  5. Step 5: Solve for x
    x = 215,630,345,283,233,504/655,876,956.07
  6. Step 6: Final answer
    x = 328,766,460.37

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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.