Home / 38,112,864,989.24-52,597,204,803.78-21,197,735,688.44

Finding the Fourth Proportional to 38,112,864,989.24, 52,597,204,803.78 and 21,197,735,688.44

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Solution

The fourth proportional to 38,112,864,989.24, 52,597,204,803.78 and 21,197,735,688.44 is: 29,253,682,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112,864,989.24 : 52,597,204,803.78 = 21,197,735,688.44 : x
  2. Step 2: Convert to fraction form
    38,112,864,989.24/52,597,204,803.78 = 21,197,735,688.44/x
  3. Step 3: Cross multiply
    38,112,864,989.24x = 52,597,204,803.78 × 21,197,735,688.44
  4. Step 4: Simplify right side
    38,112,864,989.24x = 1,114,941,645,381,274,959,872
  5. Step 5: Solve for x
    x = 1,114,941,645,381,274,959,872/38,112,864,989.24
  6. Step 6: Final answer
    x = 29,253,682,337.87

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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.