Home / 8,536,171,738.56-11,781,149,181.84-4,918,502,608.82

Finding the Fourth Proportional to 8,536,171,738.56, 11,781,149,181.84 and 4,918,502,608.82

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Solution

The fourth proportional to 8,536,171,738.56, 11,781,149,181.84 and 4,918,502,608.82 is: 6,788,243,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,171,738.56 : 11,781,149,181.84 = 4,918,502,608.82 : x
  2. Step 2: Convert to fraction form
    8,536,171,738.56/11,781,149,181.84 = 4,918,502,608.82/x
  3. Step 3: Cross multiply
    8,536,171,738.56x = 11,781,149,181.84 × 4,918,502,608.82
  4. Step 4: Simplify right side
    8,536,171,738.56x = 57,945,612,985,718,734,848
  5. Step 5: Solve for x
    x = 57,945,612,985,718,734,848/8,536,171,738.56
  6. Step 6: Final answer
    x = 6,788,243,578.09

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Double scale
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1.5x scale

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.