Home / 19,918,251,299.52-29,877,505,372.65-7,967,502,041.82

Finding the Fourth Proportional to 19,918,251,299.52, 29,877,505,372.65 and 7,967,502,041.82

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Solution

The fourth proportional to 19,918,251,299.52, 29,877,505,372.65 and 7,967,502,041.82 is: 11,951,304,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918,251,299.52 : 29,877,505,372.65 = 7,967,502,041.82 : x
  2. Step 2: Convert to fraction form
    19,918,251,299.52/29,877,505,372.65 = 7,967,502,041.82/x
  3. Step 3: Cross multiply
    19,918,251,299.52x = 29,877,505,372.65 × 7,967,502,041.82
  4. Step 4: Simplify right side
    19,918,251,299.52x = 238,049,085,061,076,910,080
  5. Step 5: Solve for x
    x = 238,049,085,061,076,910,080/19,918,251,299.52
  6. Step 6: Final answer
    x = 11,951,304,433.38

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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.