Home / 694,543,343.70-958,470,734.30-377,003,383.45

Finding the Fourth Proportional to 694,543,343.70, 958,470,734.30 and 377,003,383.45

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Solution

The fourth proportional to 694,543,343.70, 958,470,734.30 and 377,003,383.45 is: 520,265,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,543,343.70 : 958,470,734.30 = 377,003,383.45 : x
  2. Step 2: Convert to fraction form
    694,543,343.70/958,470,734.30 = 377,003,383.45/x
  3. Step 3: Cross multiply
    694,543,343.70x = 958,470,734.30 × 377,003,383.45
  4. Step 4: Simplify right side
    694,543,343.70x = 361,346,709,767,020,928
  5. Step 5: Solve for x
    x = 361,346,709,767,020,928/694,543,343.70
  6. Step 6: Final answer
    x = 520,265,168.54

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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.