Home / 2,976,412,581.09-4,107,416,764.82-1,638,274,061.25

Finding the Fourth Proportional to 2,976,412,581.09, 4,107,416,764.82 and 1,638,274,061.25

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Solution

The fourth proportional to 2,976,412,581.09, 4,107,416,764.82 and 1,638,274,061.25 is: 2,260,800,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,412,581.09 : 4,107,416,764.82 = 1,638,274,061.25 : x
  2. Step 2: Convert to fraction form
    2,976,412,581.09/4,107,416,764.82 = 1,638,274,061.25/x
  3. Step 3: Cross multiply
    2,976,412,581.09x = 4,107,416,764.82 × 1,638,274,061.25
  4. Step 4: Simplify right side
    2,976,412,581.09x = 6,729,074,344,539,806,720
  5. Step 5: Solve for x
    x = 6,729,074,344,539,806,720/2,976,412,581.09
  6. Step 6: Final answer
    x = 2,260,800,262.47

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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.