Home / 1,301,150,623,992.20-1,795,563,705,146-715,187,943,067.72

Finding the Fourth Proportional to 1,301,150,623,992.20, 1,795,563,705,146 and 715,187,943,067.72

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Solution

The fourth proportional to 1,301,150,623,992.20, 1,795,563,705,146 and 715,187,943,067.72 is: 986,946,083,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,150,623,992.20 : 1,795,563,705,146 = 715,187,943,067.72 : x
  2. Step 2: Convert to fraction form
    1,301,150,623,992.20/1,795,563,705,146 = 715,187,943,067.72/x
  3. Step 3: Cross multiply
    1,301,150,623,992.20x = 1,795,563,705,146 × 715,187,943,067.72
  4. Step 4: Simplify right side
    1,301,150,623,992.20x = 1,284,165,512,930,421,802,795,008
  5. Step 5: Solve for x
    x = 1,284,165,512,930,421,802,795,008/1,301,150,623,992.20
  6. Step 6: Final answer
    x = 986,946,083,913.28

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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.