Home / 299,610,299.91-449,415,449.87-84,199,547.91

Finding the Fourth Proportional to 299,610,299.91, 449,415,449.87 and 84,199,547.91

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Solution

The fourth proportional to 299,610,299.91, 449,415,449.87 and 84,199,547.91 is: 126,299,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,299.91 : 449,415,449.87 = 84,199,547.91 : x
  2. Step 2: Convert to fraction form
    299,610,299.91/449,415,449.87 = 84,199,547.91/x
  3. Step 3: Cross multiply
    299,610,299.91x = 449,415,449.87 × 84,199,547.91
  4. Step 4: Simplify right side
    299,610,299.91x = 37,840,577,702,402,272
  5. Step 5: Solve for x
    x = 37,840,577,702,402,272/299,610,299.91
  6. Step 6: Final answer
    x = 126,299,321.87

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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.