Home / 323,847,268.30-485,770,902.45-317,390,260.15

Finding the Fourth Proportional to 323,847,268.30, 485,770,902.45 and 317,390,260.15

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Solution

The fourth proportional to 323,847,268.30, 485,770,902.45 and 317,390,260.15 is: 476,085,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,847,268.30 : 485,770,902.45 = 317,390,260.15 : x
  2. Step 2: Convert to fraction form
    323,847,268.30/485,770,902.45 = 317,390,260.15/x
  3. Step 3: Cross multiply
    323,847,268.30x = 485,770,902.45 × 317,390,260.15
  4. Step 4: Simplify right side
    323,847,268.30x = 154,178,953,101,905,760
  5. Step 5: Solve for x
    x = 154,178,953,101,905,760/323,847,268.30
  6. Step 6: Final answer
    x = 476,085,390.23

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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.