Home / 1,649,168,999.20-2,472,318,608.10-993,423,949.30

Finding the Fourth Proportional to 1,649,168,999.20, 2,472,318,608.10 and 993,423,949.30

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Solution

The fourth proportional to 1,649,168,999.20, 2,472,318,608.10 and 993,423,949.30 is: 1,489,271,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,168,999.20 : 2,472,318,608.10 = 993,423,949.30 : x
  2. Step 2: Convert to fraction form
    1,649,168,999.20/2,472,318,608.10 = 993,423,949.30/x
  3. Step 3: Cross multiply
    1,649,168,999.20x = 2,472,318,608.10 × 993,423,949.30
  4. Step 4: Simplify right side
    1,649,168,999.20x = 2,456,060,515,586,580,992
  5. Step 5: Solve for x
    x = 2,456,060,515,586,580,992/1,649,168,999.20
  6. Step 6: Final answer
    x = 1,489,271,576.64

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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.