Home / 798,439,766.80-1,195,868,059.80-655,112,534.80

Finding the Fourth Proportional to 798,439,766.80, 1,195,868,059.80 and 655,112,534.80

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Solution

The fourth proportional to 798,439,766.80, 1,195,868,059.80 and 655,112,534.80 is: 981,198,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,439,766.80 : 1,195,868,059.80 = 655,112,534.80 : x
  2. Step 2: Convert to fraction form
    798,439,766.80/1,195,868,059.80 = 655,112,534.80/x
  3. Step 3: Cross multiply
    798,439,766.80x = 1,195,868,059.80 × 655,112,534.80
  4. Step 4: Simplify right side
    798,439,766.80x = 783,428,155,941,935,872
  5. Step 5: Solve for x
    x = 783,428,155,941,935,872/798,439,766.80
  6. Step 6: Final answer
    x = 981,198,818.64

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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.