Home / 393,660,833.94-543,268,454.94-226,397,225.76

Finding the Fourth Proportional to 393,660,833.94, 543,268,454.94 and 226,397,225.76

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Solution

The fourth proportional to 393,660,833.94, 543,268,454.94 and 226,397,225.76 is: 312,437,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,660,833.94 : 543,268,454.94 = 226,397,225.76 : x
  2. Step 2: Convert to fraction form
    393,660,833.94/543,268,454.94 = 226,397,225.76/x
  3. Step 3: Cross multiply
    393,660,833.94x = 543,268,454.94 × 226,397,225.76
  4. Step 4: Simplify right side
    393,660,833.94x = 122,994,471,041,337,568
  5. Step 5: Solve for x
    x = 122,994,471,041,337,568/393,660,833.94
  6. Step 6: Final answer
    x = 312,437,663.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.