Home / 1,992,731,103.40-2,990,797,266.30-889,034,434.60

Finding the Fourth Proportional to 1,992,731,103.40, 2,990,797,266.30 and 889,034,434.60

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Solution

The fourth proportional to 1,992,731,103.40, 2,990,797,266.30 and 889,034,434.60 is: 1,334,310,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,731,103.40 : 2,990,797,266.30 = 889,034,434.60 : x
  2. Step 2: Convert to fraction form
    1,992,731,103.40/2,990,797,266.30 = 889,034,434.60/x
  3. Step 3: Cross multiply
    1,992,731,103.40x = 2,990,797,266.30 × 889,034,434.60
  4. Step 4: Simplify right side
    1,992,731,103.40x = 2,658,921,756,648,246,272
  5. Step 5: Solve for x
    x = 2,658,921,756,648,246,272/1,992,731,103.40
  6. Step 6: Final answer
    x = 1,334,310,360.34

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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.