Home / 273,453,757,279.31-410,143,400,926.47-71,978,620,813.45

Finding the Fourth Proportional to 273,453,757,279.31, 410,143,400,926.47 and 71,978,620,813.45

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Solution

The fourth proportional to 273,453,757,279.31, 410,143,400,926.47 and 71,978,620,813.45 is: 107,958,130,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,453,757,279.31 : 410,143,400,926.47 = 71,978,620,813.45 : x
  2. Step 2: Convert to fraction form
    273,453,757,279.31/410,143,400,926.47 = 71,978,620,813.45/x
  3. Step 3: Cross multiply
    273,453,757,279.31x = 410,143,400,926.47 × 71,978,620,813.45
  4. Step 4: Simplify right side
    273,453,757,279.31x = 29,521,556,334,425,178,898,432
  5. Step 5: Solve for x
    x = 29,521,556,334,425,178,898,432/273,453,757,279.31
  6. Step 6: Final answer
    x = 107,958,130,208.73

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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.