Home / 352,294,272.20-528,441,408.30-255,044,505.80

Finding the Fourth Proportional to 352,294,272.20, 528,441,408.30 and 255,044,505.80

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Solution

The fourth proportional to 352,294,272.20, 528,441,408.30 and 255,044,505.80 is: 382,566,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,294,272.20 : 528,441,408.30 = 255,044,505.80 : x
  2. Step 2: Convert to fraction form
    352,294,272.20/528,441,408.30 = 255,044,505.80/x
  3. Step 3: Cross multiply
    352,294,272.20x = 528,441,408.30 × 255,044,505.80
  4. Step 4: Simplify right side
    352,294,272.20x = 134,776,077,824,129,520
  5. Step 5: Solve for x
    x = 134,776,077,824,129,520/352,294,272.20
  6. Step 6: Final answer
    x = 382,566,758.70

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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.