Home / 388,862,620.52-583,351,930.78-143,200,366.44

Finding the Fourth Proportional to 388,862,620.52, 583,351,930.78 and 143,200,366.44

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Solution

The fourth proportional to 388,862,620.52, 583,351,930.78 and 143,200,366.44 is: 214,821,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,862,620.52 : 583,351,930.78 = 143,200,366.44 : x
  2. Step 2: Convert to fraction form
    388,862,620.52/583,351,930.78 = 143,200,366.44/x
  3. Step 3: Cross multiply
    388,862,620.52x = 583,351,930.78 × 143,200,366.44
  4. Step 4: Simplify right side
    388,862,620.52x = 83,536,210,251,177,504
  5. Step 5: Solve for x
    x = 83,536,210,251,177,504/388,862,620.52
  6. Step 6: Final answer
    x = 214,821,908.41

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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.