Home / 774,345,667,861.40-1,068,600,343,829-422,386,269,786.32

Finding the Fourth Proportional to 774,345,667,861.40, 1,068,600,343,829 and 422,386,269,786.32

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Solution

The fourth proportional to 774,345,667,861.40, 1,068,600,343,829 and 422,386,269,786.32 is: 582,894,864,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,345,667,861.40 : 1,068,600,343,829 = 422,386,269,786.32 : x
  2. Step 2: Convert to fraction form
    774,345,667,861.40/1,068,600,343,829 = 422,386,269,786.32/x
  3. Step 3: Cross multiply
    774,345,667,861.40x = 1,068,600,343,829 × 422,386,269,786.32
  4. Step 4: Simplify right side
    774,345,667,861.40x = 451,362,113,122,310,285,164,544
  5. Step 5: Solve for x
    x = 451,362,113,122,310,285,164,544/774,345,667,861.40
  6. Step 6: Final answer
    x = 582,894,864,471.69

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Double scale
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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.