Home / 404,366,905.55-606,550,358.33-388,494,534.35

Finding the Fourth Proportional to 404,366,905.55, 606,550,358.33 and 388,494,534.35

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Solution

The fourth proportional to 404,366,905.55, 606,550,358.33 and 388,494,534.35 is: 582,741,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,366,905.55 : 606,550,358.33 = 388,494,534.35 : x
  2. Step 2: Convert to fraction form
    404,366,905.55/606,550,358.33 = 388,494,534.35/x
  3. Step 3: Cross multiply
    404,366,905.55x = 606,550,358.33 × 388,494,534.35
  4. Step 4: Simplify right side
    404,366,905.55x = 235,641,499,019,239,040
  5. Step 5: Solve for x
    x = 235,641,499,019,239,040/404,366,905.55
  6. Step 6: Final answer
    x = 582,741,801.53

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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.