Home / 19,918,251,299.02-29,877,505,371.90-7,967,502,041.32

Finding the Fourth Proportional to 19,918,251,299.02, 29,877,505,371.90 and 7,967,502,041.32

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Solution

The fourth proportional to 19,918,251,299.02, 29,877,505,371.90 and 7,967,502,041.32 is: 11,951,304,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918,251,299.02 : 29,877,505,371.90 = 7,967,502,041.32 : x
  2. Step 2: Convert to fraction form
    19,918,251,299.02/29,877,505,371.90 = 7,967,502,041.32/x
  3. Step 3: Cross multiply
    19,918,251,299.02x = 29,877,505,371.90 × 7,967,502,041.32
  4. Step 4: Simplify right side
    19,918,251,299.02x = 238,049,085,040,122,658,816
  5. Step 5: Solve for x
    x = 238,049,085,040,122,658,816/19,918,251,299.02
  6. Step 6: Final answer
    x = 11,951,304,432.63

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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.