Home / 288,747,586.32-398,488,522.36-163,310,902.76

Finding the Fourth Proportional to 288,747,586.32, 398,488,522.36 and 163,310,902.76

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Solution

The fourth proportional to 288,747,586.32, 398,488,522.36 and 163,310,902.76 is: 225,378,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,747,586.32 : 398,488,522.36 = 163,310,902.76 : x
  2. Step 2: Convert to fraction form
    288,747,586.32/398,488,522.36 = 163,310,902.76/x
  3. Step 3: Cross multiply
    288,747,586.32x = 398,488,522.36 × 163,310,902.76
  4. Step 4: Simplify right side
    288,747,586.32x = 65,077,520,326,110,048
  5. Step 5: Solve for x
    x = 65,077,520,326,110,048/288,747,586.32
  6. Step 6: Final answer
    x = 225,378,577.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.