Home / 548,755,619.13-823,295,129.40-221,062,508.37

Finding the Fourth Proportional to 548,755,619.13, 823,295,129.40 and 221,062,508.37

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Solution

The fourth proportional to 548,755,619.13, 823,295,129.40 and 221,062,508.37 is: 331,658,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,755,619.13 : 823,295,129.40 = 221,062,508.37 : x
  2. Step 2: Convert to fraction form
    548,755,619.13/823,295,129.40 = 221,062,508.37/x
  3. Step 3: Cross multiply
    548,755,619.13x = 823,295,129.40 × 221,062,508.37
  4. Step 4: Simplify right side
    548,755,619.13x = 181,999,686,433,967,744
  5. Step 5: Solve for x
    x = 181,999,686,433,967,744/548,755,619.13
  6. Step 6: Final answer
    x = 331,658,902.60

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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.