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Finding the Fourth Proportional to 886,407,467.10, 1,329,611,200.65 and 682,334,123.10

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Solution

The fourth proportional to 886,407,467.10, 1,329,611,200.65 and 682,334,123.10 is: 1,023,501,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,407,467.10 : 1,329,611,200.65 = 682,334,123.10 : x
  2. Step 2: Convert to fraction form
    886,407,467.10/1,329,611,200.65 = 682,334,123.10/x
  3. Step 3: Cross multiply
    886,407,467.10x = 1,329,611,200.65 × 682,334,123.10
  4. Step 4: Simplify right side
    886,407,467.10x = 907,239,092,659,456,000
  5. Step 5: Solve for x
    x = 907,239,092,659,456,000/886,407,467.10
  6. Step 6: Final answer
    x = 1,023,501,184.65

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Double scale
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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.