Home / 393,754,490.20-590,757,911.34-275,702,221

Finding the Fourth Proportional to 393,754,490.20, 590,757,911.34 and 275,702,221

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Solution

The fourth proportional to 393,754,490.20, 590,757,911.34 and 275,702,221 is: 413,641,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,754,490.20 : 590,757,911.34 = 275,702,221 : x
  2. Step 2: Convert to fraction form
    393,754,490.20/590,757,911.34 = 275,702,221/x
  3. Step 3: Cross multiply
    393,754,490.20x = 590,757,911.34 × 275,702,221
  4. Step 4: Simplify right side
    393,754,490.20x = 162,873,268,229,759,104
  5. Step 5: Solve for x
    x = 162,873,268,229,759,104/393,754,490.20
  6. Step 6: Final answer
    x = 413,641,678.47

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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.