Home / 1,259,722,406.80-1,889,583,610.20-741,886,296.40

Finding the Fourth Proportional to 1,259,722,406.80, 1,889,583,610.20 and 741,886,296.40

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Solution

The fourth proportional to 1,259,722,406.80, 1,889,583,610.20 and 741,886,296.40 is: 1,112,829,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,722,406.80 : 1,889,583,610.20 = 741,886,296.40 : x
  2. Step 2: Convert to fraction form
    1,259,722,406.80/1,889,583,610.20 = 741,886,296.40/x
  3. Step 3: Cross multiply
    1,259,722,406.80x = 1,889,583,610.20 × 741,886,296.40
  4. Step 4: Simplify right side
    1,259,722,406.80x = 1,401,856,186,309,419,264
  5. Step 5: Solve for x
    x = 1,401,856,186,309,419,264/1,259,722,406.80
  6. Step 6: Final answer
    x = 1,112,829,444.60

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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.