Home / 385,516,923,174.24-531,452,644,571.92-269,413,213,000.80

Finding the Fourth Proportional to 385,516,923,174.24, 531,452,644,571.92 and 269,413,213,000.80

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Solution

The fourth proportional to 385,516,923,174.24, 531,452,644,571.92 and 269,413,213,000.80 is: 371,398,389,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,516,923,174.24 : 531,452,644,571.92 = 269,413,213,000.80 : x
  2. Step 2: Convert to fraction form
    385,516,923,174.24/531,452,644,571.92 = 269,413,213,000.80/x
  3. Step 3: Cross multiply
    385,516,923,174.24x = 531,452,644,571.92 × 269,413,213,000.80
  4. Step 4: Simplify right side
    385,516,923,174.24x = 143,180,364,531,893,129,969,664
  5. Step 5: Solve for x
    x = 143,180,364,531,893,129,969,664/385,516,923,174.24
  6. Step 6: Final answer
    x = 371,398,389,863.11

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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.