Home / 393,403,541.55-543,141,896.97-250,429,975.56

Finding the Fourth Proportional to 393,403,541.55, 543,141,896.97 and 250,429,975.56

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Solution

The fourth proportional to 393,403,541.55, 543,141,896.97 and 250,429,975.56 is: 345,749,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,403,541.55 : 543,141,896.97 = 250,429,975.56 : x
  2. Step 2: Convert to fraction form
    393,403,541.55/543,141,896.97 = 250,429,975.56/x
  3. Step 3: Cross multiply
    393,403,541.55x = 543,141,896.97 × 250,429,975.56
  4. Step 4: Simplify right side
    393,403,541.55x = 136,019,011,983,809,152
  5. Step 5: Solve for x
    x = 136,019,011,983,809,152/393,403,541.55
  6. Step 6: Final answer
    x = 345,749,332.73

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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.