Home / 705,722,173-1,058,407,261.58-207,633,575.32

Finding the Fourth Proportional to 705,722,173, 1,058,407,261.58 and 207,633,575.32

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Solution

The fourth proportional to 705,722,173, 1,058,407,261.58 and 207,633,575.32 is: 311,398,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,722,173 : 1,058,407,261.58 = 207,633,575.32 : x
  2. Step 2: Convert to fraction form
    705,722,173/1,058,407,261.58 = 207,633,575.32/x
  3. Step 3: Cross multiply
    705,722,173x = 1,058,407,261.58 × 207,633,575.32
  4. Step 4: Simplify right side
    705,722,173x = 219,760,883,866,505,888
  5. Step 5: Solve for x
    x = 219,760,883,866,505,888/705,722,173
  6. Step 6: Final answer
    x = 311,398,581.87

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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.