Home / 386,350,144.88-533,114,808.71-261,174,698.06

Finding the Fourth Proportional to 386,350,144.88, 533,114,808.71 and 261,174,698.06

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Solution

The fourth proportional to 386,350,144.88, 533,114,808.71 and 261,174,698.06 is: 360,388,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,350,144.88 : 533,114,808.71 = 261,174,698.06 : x
  2. Step 2: Convert to fraction form
    386,350,144.88/533,114,808.71 = 261,174,698.06/x
  3. Step 3: Cross multiply
    386,350,144.88x = 533,114,808.71 × 261,174,698.06
  4. Step 4: Simplify right side
    386,350,144.88x = 139,236,099,192,177,456
  5. Step 5: Solve for x
    x = 139,236,099,192,177,456/386,350,144.88
  6. Step 6: Final answer
    x = 360,388,370.60

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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.