Home / 1,422,085,894.52-2,131,192,030.20-800,597,561.72

Finding the Fourth Proportional to 1,422,085,894.52, 2,131,192,030.20 and 800,597,561.72

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Solution

The fourth proportional to 1,422,085,894.52, 2,131,192,030.20 and 800,597,561.72 is: 1,199,805,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,085,894.52 : 2,131,192,030.20 = 800,597,561.72 : x
  2. Step 2: Convert to fraction form
    1,422,085,894.52/2,131,192,030.20 = 800,597,561.72/x
  3. Step 3: Cross multiply
    1,422,085,894.52x = 2,131,192,030.20 × 800,597,561.72
  4. Step 4: Simplify right side
    1,422,085,894.52x = 1,706,227,142,935,216,640
  5. Step 5: Solve for x
    x = 1,706,227,142,935,216,640/1,422,085,894.52
  6. Step 6: Final answer
    x = 1,199,805,967.78

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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.