Home / 350,862,410.70-525,726,745.65-221,238,045.90

Finding the Fourth Proportional to 350,862,410.70, 525,726,745.65 and 221,238,045.90

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Solution

The fourth proportional to 350,862,410.70, 525,726,745.65 and 221,238,045.90 is: 331,499,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,862,410.70 : 525,726,745.65 = 221,238,045.90 : x
  2. Step 2: Convert to fraction form
    350,862,410.70/525,726,745.65 = 221,238,045.90/x
  3. Step 3: Cross multiply
    350,862,410.70x = 525,726,745.65 × 221,238,045.90
  4. Step 4: Simplify right side
    350,862,410.70x = 116,310,757,884,972,320
  5. Step 5: Solve for x
    x = 116,310,757,884,972,320/350,862,410.70
  6. Step 6: Final answer
    x = 331,499,625.89

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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.