Home / 798,455,561.80-1,195,891,752.30-655,128,329.80

Finding the Fourth Proportional to 798,455,561.80, 1,195,891,752.30 and 655,128,329.80

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Solution

The fourth proportional to 798,455,561.80, 1,195,891,752.30 and 655,128,329.80 is: 981,222,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,455,561.80 : 1,195,891,752.30 = 655,128,329.80 : x
  2. Step 2: Convert to fraction form
    798,455,561.80/1,195,891,752.30 = 655,128,329.80/x
  3. Step 3: Cross multiply
    798,455,561.80x = 1,195,891,752.30 × 655,128,329.80
  4. Step 4: Simplify right side
    798,455,561.80x = 783,462,566,305,894,272
  5. Step 5: Solve for x
    x = 783,462,566,305,894,272/798,455,561.80
  6. Step 6: Final answer
    x = 981,222,504.78

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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.