Home / 299,610,308.59-449,415,462.86-84,199,556.59

Finding the Fourth Proportional to 299,610,308.59, 449,415,462.86 and 84,199,556.59

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Solution

The fourth proportional to 299,610,308.59, 449,415,462.86 and 84,199,556.59 is: 126,299,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,308.59 : 449,415,462.86 = 84,199,556.59 : x
  2. Step 2: Convert to fraction form
    299,610,308.59/449,415,462.86 = 84,199,556.59/x
  3. Step 3: Cross multiply
    299,610,308.59x = 449,415,462.86 × 84,199,556.59
  4. Step 4: Simplify right side
    299,610,308.59x = 37,840,582,697,501,616
  5. Step 5: Solve for x
    x = 37,840,582,697,501,616/299,610,308.59
  6. Step 6: Final answer
    x = 126,299,334.88

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1.5x scale

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.