Home / 673,035,220.23-928,943,572.13-394,666,424.43

Finding the Fourth Proportional to 673,035,220.23, 928,943,572.13 and 394,666,424.43

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Solution

The fourth proportional to 673,035,220.23, 928,943,572.13 and 394,666,424.43 is: 544,730,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,035,220.23 : 928,943,572.13 = 394,666,424.43 : x
  2. Step 2: Convert to fraction form
    673,035,220.23/928,943,572.13 = 394,666,424.43/x
  3. Step 3: Cross multiply
    673,035,220.23x = 928,943,572.13 × 394,666,424.43
  4. Step 4: Simplify right side
    673,035,220.23x = 366,622,838,109,778,880
  5. Step 5: Solve for x
    x = 366,622,838,109,778,880/673,035,220.23
  6. Step 6: Final answer
    x = 544,730,538.74

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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.