Home / 1,369,985,067.95-1,890,579,393.23-743,453,495.90

Finding the Fourth Proportional to 1,369,985,067.95, 1,890,579,393.23 and 743,453,495.90

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Solution

The fourth proportional to 1,369,985,067.95, 1,890,579,393.23 and 743,453,495.90 is: 1,025,965,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,985,067.95 : 1,890,579,393.23 = 743,453,495.90 : x
  2. Step 2: Convert to fraction form
    1,369,985,067.95/1,890,579,393.23 = 743,453,495.90/x
  3. Step 3: Cross multiply
    1,369,985,067.95x = 1,890,579,393.23 × 743,453,495.90
  4. Step 4: Simplify right side
    1,369,985,067.95x = 1,405,557,859,179,929,600
  5. Step 5: Solve for x
    x = 1,405,557,859,179,929,600/1,369,985,067.95
  6. Step 6: Final answer
    x = 1,025,965,824.05

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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.