Home / 457,854,485.66-687,008,884.98-181,499,858.54

Finding the Fourth Proportional to 457,854,485.66, 687,008,884.98 and 181,499,858.54

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Solution

The fourth proportional to 457,854,485.66, 687,008,884.98 and 181,499,858.54 is: 272,339,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,854,485.66 : 687,008,884.98 = 181,499,858.54 : x
  2. Step 2: Convert to fraction form
    457,854,485.66/687,008,884.98 = 181,499,858.54/x
  3. Step 3: Cross multiply
    457,854,485.66x = 687,008,884.98 × 181,499,858.54
  4. Step 4: Simplify right side
    457,854,485.66x = 124,692,015,439,593,136
  5. Step 5: Solve for x
    x = 124,692,015,439,593,136/457,854,485.66
  6. Step 6: Final answer
    x = 272,339,835.79

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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.