Home / 865,204,712.94-1,297,807,084.44-210,151,325.22

Finding the Fourth Proportional to 865,204,712.94, 1,297,807,084.44 and 210,151,325.22

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Solution

The fourth proportional to 865,204,712.94, 1,297,807,084.44 and 210,151,325.22 is: 315,226,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,204,712.94 : 1,297,807,084.44 = 210,151,325.22 : x
  2. Step 2: Convert to fraction form
    865,204,712.94/1,297,807,084.44 = 210,151,325.22/x
  3. Step 3: Cross multiply
    865,204,712.94x = 1,297,807,084.44 × 210,151,325.22
  4. Step 4: Simplify right side
    865,204,712.94x = 272,735,878,673,919,680
  5. Step 5: Solve for x
    x = 272,735,878,673,919,680/865,204,712.94
  6. Step 6: Final answer
    x = 315,226,991.48

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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.