Home / 425,604,165-638,433,218.67-179,915,010.36

Finding the Fourth Proportional to 425,604,165, 638,433,218.67 and 179,915,010.36

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Solution

The fourth proportional to 425,604,165, 638,433,218.67 and 179,915,010.36 is: 269,883,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,604,165 : 638,433,218.67 = 179,915,010.36 : x
  2. Step 2: Convert to fraction form
    425,604,165/638,433,218.67 = 179,915,010.36/x
  3. Step 3: Cross multiply
    425,604,165x = 638,433,218.67 × 179,915,010.36
  4. Step 4: Simplify right side
    425,604,165x = 114,863,719,151,181,200
  5. Step 5: Solve for x
    x = 114,863,719,151,181,200/425,604,165
  6. Step 6: Final answer
    x = 269,883,917.02

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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.