Home / 298,936,844.40-448,405,266.60-271,673,921.10

Finding the Fourth Proportional to 298,936,844.40, 448,405,266.60 and 271,673,921.10

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Solution

The fourth proportional to 298,936,844.40, 448,405,266.60 and 271,673,921.10 is: 407,510,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,844.40 : 448,405,266.60 = 271,673,921.10 : x
  2. Step 2: Convert to fraction form
    298,936,844.40/448,405,266.60 = 271,673,921.10/x
  3. Step 3: Cross multiply
    298,936,844.40x = 448,405,266.60 × 271,673,921.10
  4. Step 4: Simplify right side
    298,936,844.40x = 121,820,017,019,112,880
  5. Step 5: Solve for x
    x = 121,820,017,019,112,880/298,936,844.40
  6. Step 6: Final answer
    x = 407,510,881.65

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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.