Home / 724,267,079.70-1,086,400,619.55-264,220,257.30

Finding the Fourth Proportional to 724,267,079.70, 1,086,400,619.55 and 264,220,257.30

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Solution

The fourth proportional to 724,267,079.70, 1,086,400,619.55 and 264,220,257.30 is: 396,330,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,267,079.70 : 1,086,400,619.55 = 264,220,257.30 : x
  2. Step 2: Convert to fraction form
    724,267,079.70/1,086,400,619.55 = 264,220,257.30/x
  3. Step 3: Cross multiply
    724,267,079.70x = 1,086,400,619.55 × 264,220,257.30
  4. Step 4: Simplify right side
    724,267,079.70x = 287,049,051,228,380,416
  5. Step 5: Solve for x
    x = 287,049,051,228,380,416/724,267,079.70
  6. Step 6: Final answer
    x = 396,330,385.95

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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.