Home / 799,737,393.54-1,199,658,726.89-209,542,084.91

Finding the Fourth Proportional to 799,737,393.54, 1,199,658,726.89 and 209,542,084.91

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Solution

The fourth proportional to 799,737,393.54, 1,199,658,726.89 and 209,542,084.91 is: 314,326,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,737,393.54 : 1,199,658,726.89 = 209,542,084.91 : x
  2. Step 2: Convert to fraction form
    799,737,393.54/1,199,658,726.89 = 209,542,084.91/x
  3. Step 3: Cross multiply
    799,737,393.54x = 1,199,658,726.89 × 209,542,084.91
  4. Step 4: Simplify right side
    799,737,393.54x = 251,378,990,805,960,864
  5. Step 5: Solve for x
    x = 251,378,990,805,960,864/799,737,393.54
  6. Step 6: Final answer
    x = 314,326,918.86

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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.