Home / 296,228,229.88-409,069,745.18-221,759,505.72

Finding the Fourth Proportional to 296,228,229.88, 409,069,745.18 and 221,759,505.72

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Solution

The fourth proportional to 296,228,229.88, 409,069,745.18 and 221,759,505.72 is: 306,233,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,228,229.88 : 409,069,745.18 = 221,759,505.72 : x
  2. Step 2: Convert to fraction form
    296,228,229.88/409,069,745.18 = 221,759,505.72/x
  3. Step 3: Cross multiply
    296,228,229.88x = 409,069,745.18 × 221,759,505.72
  4. Step 4: Simplify right side
    296,228,229.88x = 90,715,104,494,077,808
  5. Step 5: Solve for x
    x = 90,715,104,494,077,808/296,228,229.88
  6. Step 6: Final answer
    x = 306,233,826.97

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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.