Home / 1,134,762,608.40-1,702,143,912.60-398,663,679.30

Finding the Fourth Proportional to 1,134,762,608.40, 1,702,143,912.60 and 398,663,679.30

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Solution

The fourth proportional to 1,134,762,608.40, 1,702,143,912.60 and 398,663,679.30 is: 597,995,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,762,608.40 : 1,702,143,912.60 = 398,663,679.30 : x
  2. Step 2: Convert to fraction form
    1,134,762,608.40/1,702,143,912.60 = 398,663,679.30/x
  3. Step 3: Cross multiply
    1,134,762,608.40x = 1,702,143,912.60 × 398,663,679.30
  4. Step 4: Simplify right side
    1,134,762,608.40x = 678,582,954,895,213,568
  5. Step 5: Solve for x
    x = 678,582,954,895,213,568/1,134,762,608.40
  6. Step 6: Final answer
    x = 597,995,518.95

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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.