Home / 380,438,034.60-570,477,161.49-147,377,905.59

Finding the Fourth Proportional to 380,438,034.60, 570,477,161.49 and 147,377,905.59

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Solution

The fourth proportional to 380,438,034.60, 570,477,161.49 and 147,377,905.59 is: 220,997,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,438,034.60 : 570,477,161.49 = 147,377,905.59 : x
  2. Step 2: Convert to fraction form
    380,438,034.60/570,477,161.49 = 147,377,905.59/x
  3. Step 3: Cross multiply
    380,438,034.60x = 570,477,161.49 × 147,377,905.59
  4. Step 4: Simplify right side
    380,438,034.60x = 84,075,729,247,324,400
  5. Step 5: Solve for x
    x = 84,075,729,247,324,400/380,438,034.60
  6. Step 6: Final answer
    x = 220,997,170.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.