Home / 387,253,720.33-581,052,117.85-202,977,402.41

Finding the Fourth Proportional to 387,253,720.33, 581,052,117.85 and 202,977,402.41

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Solution

The fourth proportional to 387,253,720.33, 581,052,117.85 and 202,977,402.41 is: 304,556,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,253,720.33 : 581,052,117.85 = 202,977,402.41 : x
  2. Step 2: Convert to fraction form
    387,253,720.33/581,052,117.85 = 202,977,402.41/x
  3. Step 3: Cross multiply
    387,253,720.33x = 581,052,117.85 × 202,977,402.41
  4. Step 4: Simplify right side
    387,253,720.33x = 117,940,449,542,102,048
  5. Step 5: Solve for x
    x = 117,940,449,542,102,048/387,253,720.33
  6. Step 6: Final answer
    x = 304,556,014.19

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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.