Home / 840,520,627.20-1,260,780,940.80-295,262,161.20

Finding the Fourth Proportional to 840,520,627.20, 1,260,780,940.80 and 295,262,161.20

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Solution

The fourth proportional to 840,520,627.20, 1,260,780,940.80 and 295,262,161.20 is: 442,893,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,520,627.20 : 1,260,780,940.80 = 295,262,161.20 : x
  2. Step 2: Convert to fraction form
    840,520,627.20/1,260,780,940.80 = 295,262,161.20/x
  3. Step 3: Cross multiply
    840,520,627.20x = 1,260,780,940.80 × 295,262,161.20
  4. Step 4: Simplify right side
    840,520,627.20x = 372,260,905,380,377,216
  5. Step 5: Solve for x
    x = 372,260,905,380,377,216/840,520,627.20
  6. Step 6: Final answer
    x = 442,893,241.80

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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.