Home / 481,559,842.02-664,555,983.21-261,543,268.02

Finding the Fourth Proportional to 481,559,842.02, 664,555,983.21 and 261,543,268.02

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Solution

The fourth proportional to 481,559,842.02, 664,555,983.21 and 261,543,268.02 is: 360,931,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,559,842.02 : 664,555,983.21 = 261,543,268.02 : x
  2. Step 2: Convert to fraction form
    481,559,842.02/664,555,983.21 = 261,543,268.02/x
  3. Step 3: Cross multiply
    481,559,842.02x = 664,555,983.21 × 261,543,268.02
  4. Step 4: Simplify right side
    481,559,842.02x = 173,810,143,630,987,680
  5. Step 5: Solve for x
    x = 173,810,143,630,987,680/481,559,842.02
  6. Step 6: Final answer
    x = 360,931,557.13

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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.