Home / 427,949,738.40-641,476,624.05-179,097,582.90

Finding the Fourth Proportional to 427,949,738.40, 641,476,624.05 and 179,097,582.90

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Solution

The fourth proportional to 427,949,738.40, 641,476,624.05 and 179,097,582.90 is: 268,458,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,949,738.40 : 641,476,624.05 = 179,097,582.90 : x
  2. Step 2: Convert to fraction form
    427,949,738.40/641,476,624.05 = 179,097,582.90/x
  3. Step 3: Cross multiply
    427,949,738.40x = 641,476,624.05 × 179,097,582.90
  4. Step 4: Simplify right side
    427,949,738.40x = 114,886,912,854,207,008
  5. Step 5: Solve for x
    x = 114,886,912,854,207,008/427,949,738.40
  6. Step 6: Final answer
    x = 268,458,892.59

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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.