Home / 744,997,022,470.45-1,028,287,178,336.60-485,222,067,445.66

Finding the Fourth Proportional to 744,997,022,470.45, 1,028,287,178,336.60 and 485,222,067,445.66

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Solution

The fourth proportional to 744,997,022,470.45, 1,028,287,178,336.60 and 485,222,067,445.66 is: 669,731,039,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,997,022,470.45 : 1,028,287,178,336.60 = 485,222,067,445.66 : x
  2. Step 2: Convert to fraction form
    744,997,022,470.45/1,028,287,178,336.60 = 485,222,067,445.66/x
  3. Step 3: Cross multiply
    744,997,022,470.45x = 1,028,287,178,336.60 × 485,222,067,445.66
  4. Step 4: Simplify right side
    744,997,022,470.45x = 498,947,630,600,349,074,587,648
  5. Step 5: Solve for x
    x = 498,947,630,600,349,074,587,648/744,997,022,470.45
  6. Step 6: Final answer
    x = 669,731,039,925.25

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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.