Home / 1,026,431,968.30-1,539,647,952.45-663,336,313.90

Finding the Fourth Proportional to 1,026,431,968.30, 1,539,647,952.45 and 663,336,313.90

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Solution

The fourth proportional to 1,026,431,968.30, 1,539,647,952.45 and 663,336,313.90 is: 995,004,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,431,968.30 : 1,539,647,952.45 = 663,336,313.90 : x
  2. Step 2: Convert to fraction form
    1,026,431,968.30/1,539,647,952.45 = 663,336,313.90/x
  3. Step 3: Cross multiply
    1,026,431,968.30x = 1,539,647,952.45 × 663,336,313.90
  4. Step 4: Simplify right side
    1,026,431,968.30x = 1,021,304,397,481,865,472
  5. Step 5: Solve for x
    x = 1,021,304,397,481,865,472/1,026,431,968.30
  6. Step 6: Final answer
    x = 995,004,470.85

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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.