Home / 497,917,645.59-687,112,674.62-274,895,274.59

Finding the Fourth Proportional to 497,917,645.59, 687,112,674.62 and 274,895,274.59

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Solution

The fourth proportional to 497,917,645.59, 687,112,674.62 and 274,895,274.59 is: 379,347,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,917,645.59 : 687,112,674.62 = 274,895,274.59 : x
  2. Step 2: Convert to fraction form
    497,917,645.59/687,112,674.62 = 274,895,274.59/x
  3. Step 3: Cross multiply
    497,917,645.59x = 687,112,674.62 × 274,895,274.59
  4. Step 4: Simplify right side
    497,917,645.59x = 188,884,027,359,124,160
  5. Step 5: Solve for x
    x = 188,884,027,359,124,160/497,917,645.59
  6. Step 6: Final answer
    x = 379,347,928.38

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Why These Related Problems?

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