Home / 438,592,121.96-605,257,838.66-240,322,113.64

Finding the Fourth Proportional to 438,592,121.96, 605,257,838.66 and 240,322,113.64

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Solution

The fourth proportional to 438,592,121.96, 605,257,838.66 and 240,322,113.64 is: 331,644,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,592,121.96 : 605,257,838.66 = 240,322,113.64 : x
  2. Step 2: Convert to fraction form
    438,592,121.96/605,257,838.66 = 240,322,113.64/x
  3. Step 3: Cross multiply
    438,592,121.96x = 605,257,838.66 × 240,322,113.64
  4. Step 4: Simplify right side
    438,592,121.96x = 145,456,843,083,949,280
  5. Step 5: Solve for x
    x = 145,456,843,083,949,280/438,592,121.96
  6. Step 6: Final answer
    x = 331,644,906.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.