Home / 850,613,436.40-1,275,920,154.60-798,957,371.20

Finding the Fourth Proportional to 850,613,436.40, 1,275,920,154.60 and 798,957,371.20

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Solution

The fourth proportional to 850,613,436.40, 1,275,920,154.60 and 798,957,371.20 is: 1,198,436,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,613,436.40 : 1,275,920,154.60 = 798,957,371.20 : x
  2. Step 2: Convert to fraction form
    850,613,436.40/1,275,920,154.60 = 798,957,371.20/x
  3. Step 3: Cross multiply
    850,613,436.40x = 1,275,920,154.60 × 798,957,371.20
  4. Step 4: Simplify right side
    850,613,436.40x = 1,019,405,812,580,313,600
  5. Step 5: Solve for x
    x = 1,019,405,812,580,313,600/850,613,436.40
  6. Step 6: Final answer
    x = 1,198,436,056.80

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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.