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Finding the Fourth Proportional to 548,389,950.40, 822,555,954.40 and 179,876,360.64

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Solution

The fourth proportional to 548,389,950.40, 822,555,954.40 and 179,876,360.64 is: 269,805,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,389,950.40 : 822,555,954.40 = 179,876,360.64 : x
  2. Step 2: Convert to fraction form
    548,389,950.40/822,555,954.40 = 179,876,360.64/x
  3. Step 3: Cross multiply
    548,389,950.40x = 822,555,954.40 × 179,876,360.64
  4. Step 4: Simplify right side
    548,389,950.40x = 147,958,371,500,233,792
  5. Step 5: Solve for x
    x = 147,958,371,500,233,792/548,389,950.40
  6. Step 6: Final answer
    x = 269,805,038.17

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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.