Home / 988,383,037.27-1,481,532,205.59-324,223,627.78

Finding the Fourth Proportional to 988,383,037.27, 1,481,532,205.59 and 324,223,627.78

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Solution

The fourth proportional to 988,383,037.27, 1,481,532,205.59 and 324,223,627.78 is: 485,993,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,383,037.27 : 1,481,532,205.59 = 324,223,627.78 : x
  2. Step 2: Convert to fraction form
    988,383,037.27/1,481,532,205.59 = 324,223,627.78/x
  3. Step 3: Cross multiply
    988,383,037.27x = 1,481,532,205.59 × 324,223,627.78
  4. Step 4: Simplify right side
    988,383,037.27x = 480,347,746,369,294,528
  5. Step 5: Solve for x
    x = 480,347,746,369,294,528/988,383,037.27
  6. Step 6: Final answer
    x = 485,993,514.92

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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.