Home / 826,372,818.72-1,239,722,688.96-236,168,353.44

Finding the Fourth Proportional to 826,372,818.72, 1,239,722,688.96 and 236,168,353.44

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Solution

The fourth proportional to 826,372,818.72, 1,239,722,688.96 and 236,168,353.44 is: 354,299,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,372,818.72 : 1,239,722,688.96 = 236,168,353.44 : x
  2. Step 2: Convert to fraction form
    826,372,818.72/1,239,722,688.96 = 236,168,353.44/x
  3. Step 3: Cross multiply
    826,372,818.72x = 1,239,722,688.96 × 236,168,353.44
  4. Step 4: Simplify right side
    826,372,818.72x = 292,783,266,173,892,480
  5. Step 5: Solve for x
    x = 292,783,266,173,892,480/826,372,818.72
  6. Step 6: Final answer
    x = 354,299,245.50

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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.