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Finding the Fourth Proportional to 551,969,663.60, 827,775,375.24 and 183,405,640.88

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Solution

The fourth proportional to 551,969,663.60, 827,775,375.24 and 183,405,640.88 is: 275,048,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,969,663.60 : 827,775,375.24 = 183,405,640.88 : x
  2. Step 2: Convert to fraction form
    551,969,663.60/827,775,375.24 = 183,405,640.88/x
  3. Step 3: Cross multiply
    551,969,663.60x = 827,775,375.24 × 183,405,640.88
  4. Step 4: Simplify right side
    551,969,663.60x = 151,818,673,200,574,688
  5. Step 5: Solve for x
    x = 151,818,673,200,574,688/551,969,663.60
  6. Step 6: Final answer
    x = 275,048,944.19

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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.