Home / 694,477,347.65-958,380,100.57-412,276,383.84

Finding the Fourth Proportional to 694,477,347.65, 958,380,100.57 and 412,276,383.84

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Solution

The fourth proportional to 694,477,347.65, 958,380,100.57 and 412,276,383.84 is: 568,942,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,477,347.65 : 958,380,100.57 = 412,276,383.84 : x
  2. Step 2: Convert to fraction form
    694,477,347.65/958,380,100.57 = 412,276,383.84/x
  3. Step 3: Cross multiply
    694,477,347.65x = 958,380,100.57 × 412,276,383.84
  4. Step 4: Simplify right side
    694,477,347.65x = 395,117,482,207,215,104
  5. Step 5: Solve for x
    x = 395,117,482,207,215,104/694,477,347.65
  6. Step 6: Final answer
    x = 568,942,217.55

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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.