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Finding the Fourth Proportional to 3,259,644,906.70, 4,889,467,360.05 and 3,259,644,906.70

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Solution

The fourth proportional to 3,259,644,906.70, 4,889,467,360.05 and 3,259,644,906.70 is: 4,889,467,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,644,906.70 : 4,889,467,360.05 = 3,259,644,906.70 : x
  2. Step 2: Convert to fraction form
    3,259,644,906.70/4,889,467,360.05 = 3,259,644,906.70/x
  3. Step 3: Cross multiply
    3,259,644,906.70x = 4,889,467,360.05 × 3,259,644,906.70
  4. Step 4: Simplify right side
    3,259,644,906.70x = 15,937,927,376,662,878,208
  5. Step 5: Solve for x
    x = 15,937,927,376,662,878,208/3,259,644,906.70
  6. Step 6: Final answer
    x = 4,889,467,360.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.