Home / 481,979,941.79-665,146,349.73-273,129,140.03

Finding the Fourth Proportional to 481,979,941.79, 665,146,349.73 and 273,129,140.03

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Solution

The fourth proportional to 481,979,941.79, 665,146,349.73 and 273,129,140.03 is: 376,926,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,979,941.79 : 665,146,349.73 = 273,129,140.03 : x
  2. Step 2: Convert to fraction form
    481,979,941.79/665,146,349.73 = 273,129,140.03/x
  3. Step 3: Cross multiply
    481,979,941.79x = 665,146,349.73 × 273,129,140.03
  4. Step 4: Simplify right side
    481,979,941.79x = 181,670,850,492,522,784
  5. Step 5: Solve for x
    x = 181,670,850,492,522,784/481,979,941.79
  6. Step 6: Final answer
    x = 376,926,163.81

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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.