Home / 315,103,546.20-472,336,454.70-185,644,518.60

Finding the Fourth Proportional to 315,103,546.20, 472,336,454.70 and 185,644,518.60

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Solution

The fourth proportional to 315,103,546.20, 472,336,454.70 and 185,644,518.60 is: 278,278,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,103,546.20 : 472,336,454.70 = 185,644,518.60 : x
  2. Step 2: Convert to fraction form
    315,103,546.20/472,336,454.70 = 185,644,518.60/x
  3. Step 3: Cross multiply
    315,103,546.20x = 472,336,454.70 × 185,644,518.60
  4. Step 4: Simplify right side
    315,103,546.20x = 87,686,673,750,012,208
  5. Step 5: Solve for x
    x = 87,686,673,750,012,208/315,103,546.20
  6. Step 6: Final answer
    x = 278,278,917.54

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