Home / 481,559,985.27-664,556,180.90-261,543,411.27

Finding the Fourth Proportional to 481,559,985.27, 664,556,180.90 and 261,543,411.27

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Solution

The fourth proportional to 481,559,985.27, 664,556,180.90 and 261,543,411.27 is: 360,931,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,559,985.27 : 664,556,180.90 = 261,543,411.27 : x
  2. Step 2: Convert to fraction form
    481,559,985.27/664,556,180.90 = 261,543,411.27/x
  3. Step 3: Cross multiply
    481,559,985.27x = 664,556,180.90 × 261,543,411.27
  4. Step 4: Simplify right side
    481,559,985.27x = 173,810,290,531,841,504
  5. Step 5: Solve for x
    x = 173,810,290,531,841,504/481,559,985.27
  6. Step 6: Final answer
    x = 360,931,754.81

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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.