Home / 1,207,229,067.40-1,810,843,601.10-856,525,246.60

Finding the Fourth Proportional to 1,207,229,067.40, 1,810,843,601.10 and 856,525,246.60

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Solution

The fourth proportional to 1,207,229,067.40, 1,810,843,601.10 and 856,525,246.60 is: 1,284,787,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,229,067.40 : 1,810,843,601.10 = 856,525,246.60 : x
  2. Step 2: Convert to fraction form
    1,207,229,067.40/1,810,843,601.10 = 856,525,246.60/x
  3. Step 3: Cross multiply
    1,207,229,067.40x = 1,810,843,601.10 × 856,525,246.60
  4. Step 4: Simplify right side
    1,207,229,067.40x = 1,551,033,261,986,209,536
  5. Step 5: Solve for x
    x = 1,551,033,261,986,209,536/1,207,229,067.40
  6. Step 6: Final answer
    x = 1,284,787,869.90

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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.