Home / 28,884,912,636.98-39,844,618,343.96-18,015,112,540.68

Finding the Fourth Proportional to 28,884,912,636.98, 39,844,618,343.96 and 18,015,112,540.68

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Solution

The fourth proportional to 28,884,912,636.98, 39,844,618,343.96 and 18,015,112,540.68 is: 24,850,526,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884,912,636.98 : 39,844,618,343.96 = 18,015,112,540.68 : x
  2. Step 2: Convert to fraction form
    28,884,912,636.98/39,844,618,343.96 = 18,015,112,540.68/x
  3. Step 3: Cross multiply
    28,884,912,636.98x = 39,844,618,343.96 × 18,015,112,540.68
  4. Step 4: Simplify right side
    28,884,912,636.98x = 717,805,283,606,882,156,544
  5. Step 5: Solve for x
    x = 717,805,283,606,882,156,544/28,884,912,636.98
  6. Step 6: Final answer
    x = 24,850,526,384.76

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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.