Home / 1,614,412,621.11-2,227,889,331.86-871,856,612.31

Finding the Fourth Proportional to 1,614,412,621.11, 2,227,889,331.86 and 871,856,612.31

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Solution

The fourth proportional to 1,614,412,621.11, 2,227,889,331.86 and 871,856,612.31 is: 1,203,162,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,412,621.11 : 2,227,889,331.86 = 871,856,612.31 : x
  2. Step 2: Convert to fraction form
    1,614,412,621.11/2,227,889,331.86 = 871,856,612.31/x
  3. Step 3: Cross multiply
    1,614,412,621.11x = 2,227,889,331.86 × 871,856,612.31
  4. Step 4: Simplify right side
    1,614,412,621.11x = 1,942,400,045,472,689,664
  5. Step 5: Solve for x
    x = 1,942,400,045,472,689,664/1,614,412,621.11
  6. Step 6: Final answer
    x = 1,203,162,078.93

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1.5x scale

Why These Related Problems?

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