Home / 481,559,817.52-664,555,949.40-261,543,243.52

Finding the Fourth Proportional to 481,559,817.52, 664,555,949.40 and 261,543,243.52

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Solution

The fourth proportional to 481,559,817.52, 664,555,949.40 and 261,543,243.52 is: 360,931,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,559,817.52 : 664,555,949.40 = 261,543,243.52 : x
  2. Step 2: Convert to fraction form
    481,559,817.52/664,555,949.40 = 261,543,243.52/x
  3. Step 3: Cross multiply
    481,559,817.52x = 664,555,949.40 × 261,543,243.52
  4. Step 4: Simplify right side
    481,559,817.52x = 173,810,118,506,588,992
  5. Step 5: Solve for x
    x = 173,810,118,506,588,992/481,559,817.52
  6. Step 6: Final answer
    x = 360,931,523.32

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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.