Home / 1,992,919,145.40-2,990,229,023.70-957,246,924.60

Finding the Fourth Proportional to 1,992,919,145.40, 2,990,229,023.70 and 957,246,924.60

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Solution

The fourth proportional to 1,992,919,145.40, 2,990,229,023.70 and 957,246,924.60 is: 1,436,278,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,919,145.40 : 2,990,229,023.70 = 957,246,924.60 : x
  2. Step 2: Convert to fraction form
    1,992,919,145.40/2,990,229,023.70 = 957,246,924.60/x
  3. Step 3: Cross multiply
    1,992,919,145.40x = 2,990,229,023.70 × 957,246,924.60
  4. Step 4: Simplify right side
    1,992,919,145.40x = 2,862,387,536,786,485,248
  5. Step 5: Solve for x
    x = 2,862,387,536,786,485,248/1,992,919,145.40
  6. Step 6: Final answer
    x = 1,436,278,809.10

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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.