Home / 3,918,674,464.56-5,407,771,053.60-2,158,541,872.56

Finding the Fourth Proportional to 3,918,674,464.56, 5,407,771,053.60 and 2,158,541,872.56

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Solution

The fourth proportional to 3,918,674,464.56, 5,407,771,053.60 and 2,158,541,872.56 is: 2,978,787,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,674,464.56 : 5,407,771,053.60 = 2,158,541,872.56 : x
  2. Step 2: Convert to fraction form
    3,918,674,464.56/5,407,771,053.60 = 2,158,541,872.56/x
  3. Step 3: Cross multiply
    3,918,674,464.56x = 5,407,771,053.60 × 2,158,541,872.56
  4. Step 4: Simplify right side
    3,918,674,464.56x = 11,672,900,256,413,509,632
  5. Step 5: Solve for x
    x = 11,672,900,256,413,509,632/3,918,674,464.56
  6. Step 6: Final answer
    x = 2,978,787,945.26

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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.