Home / 266,272,045.80-398,736,222.30-212,524,333.80

Finding the Fourth Proportional to 266,272,045.80, 398,736,222.30 and 212,524,333.80

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Solution

The fourth proportional to 266,272,045.80, 398,736,222.30 and 212,524,333.80 is: 318,250,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,272,045.80 : 398,736,222.30 = 212,524,333.80 : x
  2. Step 2: Convert to fraction form
    266,272,045.80/398,736,222.30 = 212,524,333.80/x
  3. Step 3: Cross multiply
    266,272,045.80x = 398,736,222.30 × 212,524,333.80
  4. Step 4: Simplify right side
    266,272,045.80x = 84,741,150,006,236,208
  5. Step 5: Solve for x
    x = 84,741,150,006,236,208/266,272,045.80
  6. Step 6: Final answer
    x = 318,250,268.26

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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.