Home / 298,729,964.28-412,252,427.80-164,783,249.12

Finding the Fourth Proportional to 298,729,964.28, 412,252,427.80 and 164,783,249.12

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Solution

The fourth proportional to 298,729,964.28, 412,252,427.80 and 164,783,249.12 is: 227,403,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,729,964.28 : 412,252,427.80 = 164,783,249.12 : x
  2. Step 2: Convert to fraction form
    298,729,964.28/412,252,427.80 = 164,783,249.12/x
  3. Step 3: Cross multiply
    298,729,964.28x = 412,252,427.80 × 164,783,249.12
  4. Step 4: Simplify right side
    298,729,964.28x = 67,932,294,510,492,216
  5. Step 5: Solve for x
    x = 67,932,294,510,492,216/298,729,964.28
  6. Step 6: Final answer
    x = 227,403,684.38

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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.