Home / 851,778,117.20-1,278,234,046.20-483,312,357.20

Finding the Fourth Proportional to 851,778,117.20, 1,278,234,046.20 and 483,312,357.20

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Solution

The fourth proportional to 851,778,117.20, 1,278,234,046.20 and 483,312,357.20 is: 725,290,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,778,117.20 : 1,278,234,046.20 = 483,312,357.20 : x
  2. Step 2: Convert to fraction form
    851,778,117.20/1,278,234,046.20 = 483,312,357.20/x
  3. Step 3: Cross multiply
    851,778,117.20x = 1,278,234,046.20 × 483,312,357.20
  4. Step 4: Simplify right side
    851,778,117.20x = 617,786,309,922,215,680
  5. Step 5: Solve for x
    x = 617,786,309,922,215,680/851,778,117.20
  6. Step 6: Final answer
    x = 725,290,187.02

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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.