Home / 2,163,060,274.88-2,985,023,974.64-1,172,985,429.44

Finding the Fourth Proportional to 2,163,060,274.88, 2,985,023,974.64 and 1,172,985,429.44

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Solution

The fourth proportional to 2,163,060,274.88, 2,985,023,974.64 and 1,172,985,429.44 is: 1,618,720,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,060,274.88 : 2,985,023,974.64 = 1,172,985,429.44 : x
  2. Step 2: Convert to fraction form
    2,163,060,274.88/2,985,023,974.64 = 1,172,985,429.44/x
  3. Step 3: Cross multiply
    2,163,060,274.88x = 2,985,023,974.64 × 1,172,985,429.44
  4. Step 4: Simplify right side
    2,163,060,274.88x = 3,501,389,628,781,795,840
  5. Step 5: Solve for x
    x = 3,501,389,628,781,795,840/2,163,060,274.88
  6. Step 6: Final answer
    x = 1,618,720,323.91

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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.