Home / 291,831,323.56-438,797,007.78-269,080,584.64

Finding the Fourth Proportional to 291,831,323.56, 438,797,007.78 and 269,080,584.64

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Solution

The fourth proportional to 291,831,323.56, 438,797,007.78 and 269,080,584.64 is: 404,589,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,831,323.56 : 438,797,007.78 = 269,080,584.64 : x
  2. Step 2: Convert to fraction form
    291,831,323.56/438,797,007.78 = 269,080,584.64/x
  3. Step 3: Cross multiply
    291,831,323.56x = 438,797,007.78 × 269,080,584.64
  4. Step 4: Simplify right side
    291,831,323.56x = 118,071,755,391,725,008
  5. Step 5: Solve for x
    x = 118,071,755,391,725,008/291,831,323.56
  6. Step 6: Final answer
    x = 404,589,041.20

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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.