Home / 798,451,971.80-1,195,886,367.30-655,124,739.80

Finding the Fourth Proportional to 798,451,971.80, 1,195,886,367.30 and 655,124,739.80

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Solution

The fourth proportional to 798,451,971.80, 1,195,886,367.30 and 655,124,739.80 is: 981,217,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,451,971.80 : 1,195,886,367.30 = 655,124,739.80 : x
  2. Step 2: Convert to fraction form
    798,451,971.80/1,195,886,367.30 = 655,124,739.80/x
  3. Step 3: Cross multiply
    798,451,971.80x = 1,195,886,367.30 × 655,124,739.80
  4. Step 4: Simplify right side
    798,451,971.80x = 783,454,745,207,779,584
  5. Step 5: Solve for x
    x = 783,454,745,207,779,584/798,451,971.80
  6. Step 6: Final answer
    x = 981,217,121.23

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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.