Home / 724,043,491.20-1,086,065,236.80-264,311,596.80

Finding the Fourth Proportional to 724,043,491.20, 1,086,065,236.80 and 264,311,596.80

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Solution

The fourth proportional to 724,043,491.20, 1,086,065,236.80 and 264,311,596.80 is: 396,467,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,043,491.20 : 1,086,065,236.80 = 264,311,596.80 : x
  2. Step 2: Convert to fraction form
    724,043,491.20/1,086,065,236.80 = 264,311,596.80/x
  3. Step 3: Cross multiply
    724,043,491.20x = 1,086,065,236.80 × 264,311,596.80
  4. Step 4: Simplify right side
    724,043,491.20x = 287,059,636,967,578,112
  5. Step 5: Solve for x
    x = 287,059,636,967,578,112/724,043,491.20
  6. Step 6: Final answer
    x = 396,467,395.20

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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.