Home / 1,305,267,273.28-1,957,954,939.76-385,143,611.91

Finding the Fourth Proportional to 1,305,267,273.28, 1,957,954,939.76 and 385,143,611.91

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Solution

The fourth proportional to 1,305,267,273.28, 1,957,954,939.76 and 385,143,611.91 is: 577,731,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,267,273.28 : 1,957,954,939.76 = 385,143,611.91 : x
  2. Step 2: Convert to fraction form
    1,305,267,273.28/1,957,954,939.76 = 385,143,611.91/x
  3. Step 3: Cross multiply
    1,305,267,273.28x = 1,957,954,939.76 × 385,143,611.91
  4. Step 4: Simplify right side
    1,305,267,273.28x = 754,093,837,447,618,048
  5. Step 5: Solve for x
    x = 754,093,837,447,618,048/1,305,267,273.28
  6. Step 6: Final answer
    x = 577,731,360.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.