Home / 352,294,017.20-528,441,025.80-255,044,250.80

Finding the Fourth Proportional to 352,294,017.20, 528,441,025.80 and 255,044,250.80

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Solution

The fourth proportional to 352,294,017.20, 528,441,025.80 and 255,044,250.80 is: 382,566,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,294,017.20 : 528,441,025.80 = 255,044,250.80 : x
  2. Step 2: Convert to fraction form
    352,294,017.20/528,441,025.80 = 255,044,250.80/x
  3. Step 3: Cross multiply
    352,294,017.20x = 528,441,025.80 × 255,044,250.80
  4. Step 4: Simplify right side
    352,294,017.20x = 134,775,845,517,144,480
  5. Step 5: Solve for x
    x = 134,775,845,517,144,480/352,294,017.20
  6. Step 6: Final answer
    x = 382,566,376.20

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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.