Home / 3,989,088,002.70-5,983,632,004.05-3,948,273,333.90

Finding the Fourth Proportional to 3,989,088,002.70, 5,983,632,004.05 and 3,948,273,333.90

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Solution

The fourth proportional to 3,989,088,002.70, 5,983,632,004.05 and 3,948,273,333.90 is: 5,922,410,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,002.70 : 5,983,632,004.05 = 3,948,273,333.90 : x
  2. Step 2: Convert to fraction form
    3,989,088,002.70/5,983,632,004.05 = 3,948,273,333.90/x
  3. Step 3: Cross multiply
    3,989,088,002.70x = 5,983,632,004.05 × 3,948,273,333.90
  4. Step 4: Simplify right side
    3,989,088,002.70x = 23,625,014,681,461,231,616
  5. Step 5: Solve for x
    x = 23,625,014,681,461,231,616/3,989,088,002.70
  6. Step 6: Final answer
    x = 5,922,410,000.85

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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.