Home / 490,717,065.56-677,068,767.42-299,929,795.16

Finding the Fourth Proportional to 490,717,065.56, 677,068,767.42 and 299,929,795.16

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Solution

The fourth proportional to 490,717,065.56, 677,068,767.42 and 299,929,795.16 is: 413,829,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,717,065.56 : 677,068,767.42 = 299,929,795.16 : x
  2. Step 2: Convert to fraction form
    490,717,065.56/677,068,767.42 = 299,929,795.16/x
  3. Step 3: Cross multiply
    490,717,065.56x = 677,068,767.42 × 299,929,795.16
  4. Step 4: Simplify right side
    490,717,065.56x = 203,073,096,721,514,272
  5. Step 5: Solve for x
    x = 203,073,096,721,514,272/490,717,065.56
  6. Step 6: Final answer
    x = 413,829,293.85

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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.