Home / 240,341,836,850.40-360,436,214,008.08-78,955,782,791.52

Finding the Fourth Proportional to 240,341,836,850.40, 360,436,214,008.08 and 78,955,782,791.52

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Solution

The fourth proportional to 240,341,836,850.40, 360,436,214,008.08 and 78,955,782,791.52 is: 118,408,529,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,341,836,850.40 : 360,436,214,008.08 = 78,955,782,791.52 : x
  2. Step 2: Convert to fraction form
    240,341,836,850.40/360,436,214,008.08 = 78,955,782,791.52/x
  3. Step 3: Cross multiply
    240,341,836,850.40x = 360,436,214,008.08 × 78,955,782,791.52
  4. Step 4: Simplify right side
    240,341,836,850.40x = 28,458,523,423,419,783,970,816
  5. Step 5: Solve for x
    x = 28,458,523,423,419,783,970,816/240,341,836,850.40
  6. Step 6: Final answer
    x = 118,408,529,269.64

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1.5x scale

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.