Home / 315,202,889.70-472,166,605.35-218,268,051.30

Finding the Fourth Proportional to 315,202,889.70, 472,166,605.35 and 218,268,051.30

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Solution

The fourth proportional to 315,202,889.70, 472,166,605.35 and 218,268,051.30 is: 326,960,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,202,889.70 : 472,166,605.35 = 218,268,051.30 : x
  2. Step 2: Convert to fraction form
    315,202,889.70/472,166,605.35 = 218,268,051.30/x
  3. Step 3: Cross multiply
    315,202,889.70x = 472,166,605.35 × 218,268,051.30
  4. Step 4: Simplify right side
    315,202,889.70x = 103,058,884,838,680,672
  5. Step 5: Solve for x
    x = 103,058,884,838,680,672/315,202,889.70
  6. Step 6: Final answer
    x = 326,960,469.61

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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.