Home / 865,204,701.44-1,297,807,067.15-210,151,313.70

Finding the Fourth Proportional to 865,204,701.44, 1,297,807,067.15 and 210,151,313.70

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Solution

The fourth proportional to 865,204,701.44, 1,297,807,067.15 and 210,151,313.70 is: 315,226,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,204,701.44 : 1,297,807,067.15 = 210,151,313.70 : x
  2. Step 2: Convert to fraction form
    865,204,701.44/1,297,807,067.15 = 210,151,313.70/x
  3. Step 3: Cross multiply
    865,204,701.44x = 1,297,807,067.15 × 210,151,313.70
  4. Step 4: Simplify right side
    865,204,701.44x = 272,735,860,087,721,824
  5. Step 5: Solve for x
    x = 272,735,860,087,721,824/865,204,701.44
  6. Step 6: Final answer
    x = 315,226,974.19

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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.