Home / 315,202,919.70-472,166,650.35-218,268,081.30

Finding the Fourth Proportional to 315,202,919.70, 472,166,650.35 and 218,268,081.30

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Solution

The fourth proportional to 315,202,919.70, 472,166,650.35 and 218,268,081.30 is: 326,960,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,202,919.70 : 472,166,650.35 = 218,268,081.30 : x
  2. Step 2: Convert to fraction form
    315,202,919.70/472,166,650.35 = 218,268,081.30/x
  3. Step 3: Cross multiply
    315,202,919.70x = 472,166,650.35 × 218,268,081.30
  4. Step 4: Simplify right side
    315,202,919.70x = 103,058,908,825,742,480
  5. Step 5: Solve for x
    x = 103,058,908,825,742,480/315,202,919.70
  6. Step 6: Final answer
    x = 326,960,514.59

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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.