Home / 481,559,816.52-664,555,948.02-261,543,242.52

Finding the Fourth Proportional to 481,559,816.52, 664,555,948.02 and 261,543,242.52

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Solution

The fourth proportional to 481,559,816.52, 664,555,948.02 and 261,543,242.52 is: 360,931,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,559,816.52 : 664,555,948.02 = 261,543,242.52 : x
  2. Step 2: Convert to fraction form
    481,559,816.52/664,555,948.02 = 261,543,242.52/x
  3. Step 3: Cross multiply
    481,559,816.52x = 664,555,948.02 × 261,543,242.52
  4. Step 4: Simplify right side
    481,559,816.52x = 173,810,117,481,103,360
  5. Step 5: Solve for x
    x = 173,810,117,481,103,360/481,559,816.52
  6. Step 6: Final answer
    x = 360,931,521.94

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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.