Home / 1,815,285,255.25-2,505,068,188.01-1,011,546,628.70

Finding the Fourth Proportional to 1,815,285,255.25, 2,505,068,188.01 and 1,011,546,628.70

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Solution

The fourth proportional to 1,815,285,255.25, 2,505,068,188.01 and 1,011,546,628.70 is: 1,395,920,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,285,255.25 : 2,505,068,188.01 = 1,011,546,628.70 : x
  2. Step 2: Convert to fraction form
    1,815,285,255.25/2,505,068,188.01 = 1,011,546,628.70/x
  3. Step 3: Cross multiply
    1,815,285,255.25x = 2,505,068,188.01 × 1,011,546,628.70
  4. Step 4: Simplify right side
    1,815,285,255.25x = 2,533,993,280,245,133,824
  5. Step 5: Solve for x
    x = 2,533,993,280,245,133,824/1,815,285,255.25
  6. Step 6: Final answer
    x = 1,395,920,157.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.