Home / 724,267,037.20-1,086,400,555.80-264,220,214.80

Finding the Fourth Proportional to 724,267,037.20, 1,086,400,555.80 and 264,220,214.80

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Solution

The fourth proportional to 724,267,037.20, 1,086,400,555.80 and 264,220,214.80 is: 396,330,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,267,037.20 : 1,086,400,555.80 = 264,220,214.80 : x
  2. Step 2: Convert to fraction form
    724,267,037.20/1,086,400,555.80 = 264,220,214.80/x
  3. Step 3: Cross multiply
    724,267,037.20x = 1,086,400,555.80 × 264,220,214.80
  4. Step 4: Simplify right side
    724,267,037.20x = 287,048,988,212,315,392
  5. Step 5: Solve for x
    x = 287,048,988,212,315,392/724,267,037.20
  6. Step 6: Final answer
    x = 396,330,322.20

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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.