Home / 692,087,428.31-955,086,606.15-394,744,725.27

Finding the Fourth Proportional to 692,087,428.31, 955,086,606.15 and 394,744,725.27

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Solution

The fourth proportional to 692,087,428.31, 955,086,606.15 and 394,744,725.27 is: 544,751,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,087,428.31 : 955,086,606.15 = 394,744,725.27 : x
  2. Step 2: Convert to fraction form
    692,087,428.31/955,086,606.15 = 394,744,725.27/x
  3. Step 3: Cross multiply
    692,087,428.31x = 955,086,606.15 × 394,744,725.27
  4. Step 4: Simplify right side
    692,087,428.31x = 377,015,399,955,839,744
  5. Step 5: Solve for x
    x = 377,015,399,955,839,744/692,087,428.31
  6. Step 6: Final answer
    x = 544,751,117.47

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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.