Home / 744,997,022,471.45-1,028,287,178,338-485,222,067,446.66

Finding the Fourth Proportional to 744,997,022,471.45, 1,028,287,178,338 and 485,222,067,446.66

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Solution

The fourth proportional to 744,997,022,471.45, 1,028,287,178,338 and 485,222,067,446.66 is: 669,731,039,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,997,022,471.45 : 1,028,287,178,338 = 485,222,067,446.66 : x
  2. Step 2: Convert to fraction form
    744,997,022,471.45/1,028,287,178,338 = 485,222,067,446.66/x
  3. Step 3: Cross multiply
    744,997,022,471.45x = 1,028,287,178,338 × 485,222,067,446.66
  4. Step 4: Simplify right side
    744,997,022,471.45x = 498,947,630,602,056,726,740,992
  5. Step 5: Solve for x
    x = 498,947,630,602,056,726,740,992/744,997,022,471.45
  6. Step 6: Final answer
    x = 669,731,039,926.64

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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.