Home / 542,777,331.84-812,111,528-321,567,480.96

Finding the Fourth Proportional to 542,777,331.84, 812,111,528 and 321,567,480.96

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Solution

The fourth proportional to 542,777,331.84, 812,111,528 and 321,567,480.96 is: 481,134,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,777,331.84 : 812,111,528 = 321,567,480.96 : x
  2. Step 2: Convert to fraction form
    542,777,331.84/812,111,528 = 321,567,480.96/x
  3. Step 3: Cross multiply
    542,777,331.84x = 812,111,528 × 321,567,480.96
  4. Step 4: Simplify right side
    542,777,331.84x = 261,148,658,317,536,480
  5. Step 5: Solve for x
    x = 261,148,658,317,536,480/542,777,331.84
  6. Step 6: Final answer
    x = 481,134,054.42

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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.