Home / 287,976,901.26-397,407,866.97-162,555,496.86

Finding the Fourth Proportional to 287,976,901.26, 397,407,866.97 and 162,555,496.86

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Solution

The fourth proportional to 287,976,901.26, 397,407,866.97 and 162,555,496.86 is: 224,326,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,976,901.26 : 397,407,866.97 = 162,555,496.86 : x
  2. Step 2: Convert to fraction form
    287,976,901.26/397,407,866.97 = 162,555,496.86/x
  3. Step 3: Cross multiply
    287,976,901.26x = 397,407,866.97 × 162,555,496.86
  4. Step 4: Simplify right side
    287,976,901.26x = 64,600,833,271,381,144
  5. Step 5: Solve for x
    x = 64,600,833,271,381,144/287,976,901.26
  6. Step 6: Final answer
    x = 224,326,440.73

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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.