Home / 266,670,048.90-400,855,378.95-251,364,548.10

Finding the Fourth Proportional to 266,670,048.90, 400,855,378.95 and 251,364,548.10

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Solution

The fourth proportional to 266,670,048.90, 400,855,378.95 and 251,364,548.10 is: 377,848,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,670,048.90 : 400,855,378.95 = 251,364,548.10 : x
  2. Step 2: Convert to fraction form
    266,670,048.90/400,855,378.95 = 251,364,548.10/x
  3. Step 3: Cross multiply
    266,670,048.90x = 400,855,378.95 × 251,364,548.10
  4. Step 4: Simplify right side
    266,670,048.90x = 100,760,831,183,220,992
  5. Step 5: Solve for x
    x = 100,760,831,183,220,992/266,670,048.90
  6. Step 6: Final answer
    x = 377,848,324.55

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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.