Home / 798,451,980.30-1,195,886,380.05-655,124,748.30

Finding the Fourth Proportional to 798,451,980.30, 1,195,886,380.05 and 655,124,748.30

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Solution

The fourth proportional to 798,451,980.30, 1,195,886,380.05 and 655,124,748.30 is: 981,217,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,451,980.30 : 1,195,886,380.05 = 655,124,748.30 : x
  2. Step 2: Convert to fraction form
    798,451,980.30/1,195,886,380.05 = 655,124,748.30/x
  3. Step 3: Cross multiply
    798,451,980.30x = 1,195,886,380.05 × 655,124,748.30
  4. Step 4: Simplify right side
    798,451,980.30x = 783,454,763,725,654,272
  5. Step 5: Solve for x
    x = 783,454,763,725,654,272/798,451,980.30
  6. Step 6: Final answer
    x = 981,217,133.97

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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.