Home / 673,035,221.23-928,943,573.51-394,666,425.43

Finding the Fourth Proportional to 673,035,221.23, 928,943,573.51 and 394,666,425.43

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Solution

The fourth proportional to 673,035,221.23, 928,943,573.51 and 394,666,425.43 is: 544,730,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,035,221.23 : 928,943,573.51 = 394,666,425.43 : x
  2. Step 2: Convert to fraction form
    673,035,221.23/928,943,573.51 = 394,666,425.43/x
  3. Step 3: Cross multiply
    673,035,221.23x = 928,943,573.51 × 394,666,425.43
  4. Step 4: Simplify right side
    673,035,221.23x = 366,622,839,583,362,112
  5. Step 5: Solve for x
    x = 366,622,839,583,362,112/673,035,221.23
  6. Step 6: Final answer
    x = 544,730,540.12

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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.