Home / 2,381,550,283.29-3,286,950,759.43-1,378,520,891.78

Finding the Fourth Proportional to 2,381,550,283.29, 3,286,950,759.43 and 1,378,520,891.78

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Solution

The fourth proportional to 2,381,550,283.29, 3,286,950,759.43 and 1,378,520,891.78 is: 1,902,596,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,550,283.29 : 3,286,950,759.43 = 1,378,520,891.78 : x
  2. Step 2: Convert to fraction form
    2,381,550,283.29/3,286,950,759.43 = 1,378,520,891.78/x
  3. Step 3: Cross multiply
    2,381,550,283.29x = 3,286,950,759.43 × 1,378,520,891.78
  4. Step 4: Simplify right side
    2,381,550,283.29x = 4,531,130,292,131,162,624
  5. Step 5: Solve for x
    x = 4,531,130,292,131,162,624/2,381,550,283.29
  6. Step 6: Final answer
    x = 1,902,596,944.49

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Find fourth proportional to 2,381,550,284.29, 3,286,950,760.81 and 1,378,520,892.78
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1.5x scale

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.