Home / 1,259,714,540.30-1,889,571,810.45-741,878,429.90

Finding the Fourth Proportional to 1,259,714,540.30, 1,889,571,810.45 and 741,878,429.90

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Solution

The fourth proportional to 1,259,714,540.30, 1,889,571,810.45 and 741,878,429.90 is: 1,112,817,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,540.30 : 1,889,571,810.45 = 741,878,429.90 : x
  2. Step 2: Convert to fraction form
    1,259,714,540.30/1,889,571,810.45 = 741,878,429.90/x
  3. Step 3: Cross multiply
    1,259,714,540.30x = 1,889,571,810.45 × 741,878,429.90
  4. Step 4: Simplify right side
    1,259,714,540.30x = 1,401,832,567,919,946,496
  5. Step 5: Solve for x
    x = 1,401,832,567,919,946,496/1,259,714,540.30
  6. Step 6: Final answer
    x = 1,112,817,644.85

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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.