Home / 724,267,037.70-1,086,400,556.55-264,220,215.30

Finding the Fourth Proportional to 724,267,037.70, 1,086,400,556.55 and 264,220,215.30

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Solution

The fourth proportional to 724,267,037.70, 1,086,400,556.55 and 264,220,215.30 is: 396,330,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,267,037.70 : 1,086,400,556.55 = 264,220,215.30 : x
  2. Step 2: Convert to fraction form
    724,267,037.70/1,086,400,556.55 = 264,220,215.30/x
  3. Step 3: Cross multiply
    724,267,037.70x = 1,086,400,556.55 × 264,220,215.30
  4. Step 4: Simplify right side
    724,267,037.70x = 287,048,988,953,680,832
  5. Step 5: Solve for x
    x = 287,048,988,953,680,832/724,267,037.70
  6. Step 6: Final answer
    x = 396,330,322.95

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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.