Home / 579,096,794.88-868,637,610.72-142,401,248.64

Finding the Fourth Proportional to 579,096,794.88, 868,637,610.72 and 142,401,248.64

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Solution

The fourth proportional to 579,096,794.88, 868,637,610.72 and 142,401,248.64 is: 213,600,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,096,794.88 : 868,637,610.72 = 142,401,248.64 : x
  2. Step 2: Convert to fraction form
    579,096,794.88/868,637,610.72 = 142,401,248.64/x
  3. Step 3: Cross multiply
    579,096,794.88x = 868,637,610.72 × 142,401,248.64
  4. Step 4: Simplify right side
    579,096,794.88x = 123,695,080,382,194,240
  5. Step 5: Solve for x
    x = 123,695,080,382,194,240/579,096,794.88
  6. Step 6: Final answer
    x = 213,600,008.63

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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.