Home / 449,988,574.48-621,008,354.45-251,738,245.55

Finding the Fourth Proportional to 449,988,574.48, 621,008,354.45 and 251,738,245.55

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Solution

The fourth proportional to 449,988,574.48, 621,008,354.45 and 251,738,245.55 is: 347,412,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,988,574.48 : 621,008,354.45 = 251,738,245.55 : x
  2. Step 2: Convert to fraction form
    449,988,574.48/621,008,354.45 = 251,738,245.55/x
  3. Step 3: Cross multiply
    449,988,574.48x = 621,008,354.45 × 251,738,245.55
  4. Step 4: Simplify right side
    449,988,574.48x = 156,331,553,623,317,408
  5. Step 5: Solve for x
    x = 156,331,553,623,317,408/449,988,574.48
  6. Step 6: Final answer
    x = 347,412,273.31

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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.