Home / 774,345,667,974.60-1,068,600,343,985.20-422,386,269,899.48

Finding the Fourth Proportional to 774,345,667,974.60, 1,068,600,343,985.20 and 422,386,269,899.48

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Solution

The fourth proportional to 774,345,667,974.60, 1,068,600,343,985.20 and 422,386,269,899.48 is: 582,894,864,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,345,667,974.60 : 1,068,600,343,985.20 = 422,386,269,899.48 : x
  2. Step 2: Convert to fraction form
    774,345,667,974.60/1,068,600,343,985.20 = 422,386,269,899.48/x
  3. Step 3: Cross multiply
    774,345,667,974.60x = 1,068,600,343,985.20 × 422,386,269,899.48
  4. Step 4: Simplify right side
    774,345,667,974.60x = 451,362,113,309,209,813,581,824
  5. Step 5: Solve for x
    x = 451,362,113,309,209,813,581,824/774,345,667,974.60
  6. Step 6: Final answer
    x = 582,894,864,627.84

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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.