Home / 579,096,865.88-868,637,717.22-142,401,319.64

Finding the Fourth Proportional to 579,096,865.88, 868,637,717.22 and 142,401,319.64

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Solution

The fourth proportional to 579,096,865.88, 868,637,717.22 and 142,401,319.64 is: 213,600,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,096,865.88 : 868,637,717.22 = 142,401,319.64 : x
  2. Step 2: Convert to fraction form
    579,096,865.88/868,637,717.22 = 142,401,319.64/x
  3. Step 3: Cross multiply
    579,096,865.88x = 868,637,717.22 × 142,401,319.64
  4. Step 4: Simplify right side
    579,096,865.88x = 123,695,157,221,205,136
  5. Step 5: Solve for x
    x = 123,695,157,221,205,136/579,096,865.88
  6. Step 6: Final answer
    x = 213,600,115.13

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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.