Home / 2,221,004,861.32-3,331,473,661.95-540,306,174.31

Finding the Fourth Proportional to 2,221,004,861.32, 3,331,473,661.95 and 540,306,174.31

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Solution

The fourth proportional to 2,221,004,861.32, 3,331,473,661.95 and 540,306,174.31 is: 810,451,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,004,861.32 : 3,331,473,661.95 = 540,306,174.31 : x
  2. Step 2: Convert to fraction form
    2,221,004,861.32/3,331,473,661.95 = 540,306,174.31/x
  3. Step 3: Cross multiply
    2,221,004,861.32x = 3,331,473,661.95 × 540,306,174.31
  4. Step 4: Simplify right side
    2,221,004,861.32x = 1,800,015,789,102,730,496
  5. Step 5: Solve for x
    x = 1,800,015,789,102,730,496/2,221,004,861.32
  6. Step 6: Final answer
    x = 810,451,080.25

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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.