Home / 414,282,321.42-621,505,344.71-151,969,307.77

Finding the Fourth Proportional to 414,282,321.42, 621,505,344.71 and 151,969,307.77

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Solution

The fourth proportional to 414,282,321.42, 621,505,344.71 and 151,969,307.77 is: 227,983,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,282,321.42 : 621,505,344.71 = 151,969,307.77 : x
  2. Step 2: Convert to fraction form
    414,282,321.42/621,505,344.71 = 151,969,307.77/x
  3. Step 3: Cross multiply
    414,282,321.42x = 621,505,344.71 × 151,969,307.77
  4. Step 4: Simplify right side
    414,282,321.42x = 94,449,737,010,933,936
  5. Step 5: Solve for x
    x = 94,449,737,010,933,936/414,282,321.42
  6. Step 6: Final answer
    x = 227,983,990.93

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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.