Home / 378,053,313.33-521,366,860.29-259,148,703.99

Finding the Fourth Proportional to 378,053,313.33, 521,366,860.29 and 259,148,703.99

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Solution

The fourth proportional to 378,053,313.33, 521,366,860.29 and 259,148,703.99 is: 357,387,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,053,313.33 : 521,366,860.29 = 259,148,703.99 : x
  2. Step 2: Convert to fraction form
    378,053,313.33/521,366,860.29 = 259,148,703.99/x
  3. Step 3: Cross multiply
    378,053,313.33x = 521,366,860.29 × 259,148,703.99
  4. Step 4: Simplify right side
    378,053,313.33x = 135,111,546,147,488,912
  5. Step 5: Solve for x
    x = 135,111,546,147,488,912/378,053,313.33
  6. Step 6: Final answer
    x = 357,387,546.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.