Home / 682,673,124.62-942,093,261.78-400,358,003.96

Finding the Fourth Proportional to 682,673,124.62, 942,093,261.78 and 400,358,003.96

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Solution

The fourth proportional to 682,673,124.62, 942,093,261.78 and 400,358,003.96 is: 552,496,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,673,124.62 : 942,093,261.78 = 400,358,003.96 : x
  2. Step 2: Convert to fraction form
    682,673,124.62/942,093,261.78 = 400,358,003.96/x
  3. Step 3: Cross multiply
    682,673,124.62x = 942,093,261.78 × 400,358,003.96
  4. Step 4: Simplify right side
    682,673,124.62x = 377,174,577,831,260,416
  5. Step 5: Solve for x
    x = 377,174,577,831,260,416/682,673,124.62
  6. Step 6: Final answer
    x = 552,496,596.43

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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.