Home / 792,178,734.40-1,188,268,101.60-758,591,663.20

Finding the Fourth Proportional to 792,178,734.40, 1,188,268,101.60 and 758,591,663.20

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Solution

The fourth proportional to 792,178,734.40, 1,188,268,101.60 and 758,591,663.20 is: 1,137,887,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,178,734.40 : 1,188,268,101.60 = 758,591,663.20 : x
  2. Step 2: Convert to fraction form
    792,178,734.40/1,188,268,101.60 = 758,591,663.20/x
  3. Step 3: Cross multiply
    792,178,734.40x = 1,188,268,101.60 × 758,591,663.20
  4. Step 4: Simplify right side
    792,178,734.40x = 901,410,275,520,250,624
  5. Step 5: Solve for x
    x = 901,410,275,520,250,624/792,178,734.40
  6. Step 6: Final answer
    x = 1,137,887,494.80

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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.