Home / 265,042,723.30-397,046,880.37-206,476,173.54

Finding the Fourth Proportional to 265,042,723.30, 397,046,880.37 and 206,476,173.54

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Solution

The fourth proportional to 265,042,723.30, 397,046,880.37 and 206,476,173.54 is: 309,311,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,042,723.30 : 397,046,880.37 = 206,476,173.54 : x
  2. Step 2: Convert to fraction form
    265,042,723.30/397,046,880.37 = 206,476,173.54/x
  3. Step 3: Cross multiply
    265,042,723.30x = 397,046,880.37 × 206,476,173.54
  4. Step 4: Simplify right side
    265,042,723.30x = 81,980,720,574,791,744
  5. Step 5: Solve for x
    x = 81,980,720,574,791,744/265,042,723.30
  6. Step 6: Final answer
    x = 309,311,342.54

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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.