Home / 318,721,507.56-439,836,591.24-184,785,452.64

Finding the Fourth Proportional to 318,721,507.56, 439,836,591.24 and 184,785,452.64

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Solution

The fourth proportional to 318,721,507.56, 439,836,591.24 and 184,785,452.64 is: 255,004,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,721,507.56 : 439,836,591.24 = 184,785,452.64 : x
  2. Step 2: Convert to fraction form
    318,721,507.56/439,836,591.24 = 184,785,452.64/x
  3. Step 3: Cross multiply
    318,721,507.56x = 439,836,591.24 × 184,785,452.64
  4. Step 4: Simplify right side
    318,721,507.56x = 81,275,403,599,918,048
  5. Step 5: Solve for x
    x = 81,275,403,599,918,048/318,721,507.56
  6. Step 6: Final answer
    x = 255,004,452.70

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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.