Home / 1,259,986,319.88-1,738,521,532.92-724,034,464.71

Finding the Fourth Proportional to 1,259,986,319.88, 1,738,521,532.92 and 724,034,464.71

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Solution

The fourth proportional to 1,259,986,319.88, 1,738,521,532.92 and 724,034,464.71 is: 999,018,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,986,319.88 : 1,738,521,532.92 = 724,034,464.71 : x
  2. Step 2: Convert to fraction form
    1,259,986,319.88/1,738,521,532.92 = 724,034,464.71/x
  3. Step 3: Cross multiply
    1,259,986,319.88x = 1,738,521,532.92 × 724,034,464.71
  4. Step 4: Simplify right side
    1,259,986,319.88x = 1,258,749,507,474,541,056
  5. Step 5: Solve for x
    x = 1,258,749,507,474,541,056/1,259,986,319.88
  6. Step 6: Final answer
    x = 999,018,392.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.