Home / 31,436,278,285.48-43,381,839,424.26-17,163,105,443.08

Finding the Fourth Proportional to 31,436,278,285.48, 43,381,839,424.26 and 17,163,105,443.08

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Solution

The fourth proportional to 31,436,278,285.48, 43,381,839,424.26 and 17,163,105,443.08 is: 23,684,962,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436,278,285.48 : 43,381,839,424.26 = 17,163,105,443.08 : x
  2. Step 2: Convert to fraction form
    31,436,278,285.48/43,381,839,424.26 = 17,163,105,443.08/x
  3. Step 3: Cross multiply
    31,436,278,285.48x = 43,381,839,424.26 × 17,163,105,443.08
  4. Step 4: Simplify right side
    31,436,278,285.48x = 744,567,084,353,339,392,000
  5. Step 5: Solve for x
    x = 744,567,084,353,339,392,000/31,436,278,285.48
  6. Step 6: Final answer
    x = 23,684,962,882.43

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Double scale
Find fourth proportional to 31,436,278,286.48, 43,381,839,425.64 and 17,163,105,444.08
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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.