Home / 1,259,729,374.80-1,889,594,062.20-741,893,264.40

Finding the Fourth Proportional to 1,259,729,374.80, 1,889,594,062.20 and 741,893,264.40

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Solution

The fourth proportional to 1,259,729,374.80, 1,889,594,062.20 and 741,893,264.40 is: 1,112,839,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,729,374.80 : 1,889,594,062.20 = 741,893,264.40 : x
  2. Step 2: Convert to fraction form
    1,259,729,374.80/1,889,594,062.20 = 741,893,264.40/x
  3. Step 3: Cross multiply
    1,259,729,374.80x = 1,889,594,062.20 × 741,893,264.40
  4. Step 4: Simplify right side
    1,259,729,374.80x = 1,401,877,107,196,414,720
  5. Step 5: Solve for x
    x = 1,401,877,107,196,414,720/1,259,729,374.80
  6. Step 6: Final answer
    x = 1,112,839,896.60

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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.