Home / 380,958,529.70-571,437,794.55-122,199,906.80

Finding the Fourth Proportional to 380,958,529.70, 571,437,794.55 and 122,199,906.80

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Solution

The fourth proportional to 380,958,529.70, 571,437,794.55 and 122,199,906.80 is: 183,299,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,958,529.70 : 571,437,794.55 = 122,199,906.80 : x
  2. Step 2: Convert to fraction form
    380,958,529.70/571,437,794.55 = 122,199,906.80/x
  3. Step 3: Cross multiply
    380,958,529.70x = 571,437,794.55 × 122,199,906.80
  4. Step 4: Simplify right side
    380,958,529.70x = 69,829,645,236,007,544
  5. Step 5: Solve for x
    x = 69,829,645,236,007,544/380,958,529.70
  6. Step 6: Final answer
    x = 183,299,860.20

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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.