Home / 298,647,264.81-412,112,180.37-166,482,415.20

Finding the Fourth Proportional to 298,647,264.81, 412,112,180.37 and 166,482,415.20

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Solution

The fourth proportional to 298,647,264.81, 412,112,180.37 and 166,482,415.20 is: 229,734,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,264.81 : 412,112,180.37 = 166,482,415.20 : x
  2. Step 2: Convert to fraction form
    298,647,264.81/412,112,180.37 = 166,482,415.20/x
  3. Step 3: Cross multiply
    298,647,264.81x = 412,112,180.37 × 166,482,415.20
  4. Step 4: Simplify right side
    298,647,264.81x = 68,609,431,121,335,624
  5. Step 5: Solve for x
    x = 68,609,431,121,335,624/298,647,264.81
  6. Step 6: Final answer
    x = 229,734,001.30

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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.