Home / 280,961,278.36-421,439,584.89-219,602,014.03

Finding the Fourth Proportional to 280,961,278.36, 421,439,584.89 and 219,602,014.03

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Solution

The fourth proportional to 280,961,278.36, 421,439,584.89 and 219,602,014.03 is: 329,401,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,961,278.36 : 421,439,584.89 = 219,602,014.03 : x
  2. Step 2: Convert to fraction form
    280,961,278.36/421,439,584.89 = 219,602,014.03/x
  3. Step 3: Cross multiply
    280,961,278.36x = 421,439,584.89 × 219,602,014.03
  4. Step 4: Simplify right side
    280,961,278.36x = 92,548,981,631,554,608
  5. Step 5: Solve for x
    x = 92,548,981,631,554,608/280,961,278.36
  6. Step 6: Final answer
    x = 329,401,197.82

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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.