Home / 538,723,682.92-743,438,902.62-291,205,036.36

Finding the Fourth Proportional to 538,723,682.92, 743,438,902.62 and 291,205,036.36

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Solution

The fourth proportional to 538,723,682.92, 743,438,902.62 and 291,205,036.36 is: 401,863,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,723,682.92 : 743,438,902.62 = 291,205,036.36 : x
  2. Step 2: Convert to fraction form
    538,723,682.92/743,438,902.62 = 291,205,036.36/x
  3. Step 3: Cross multiply
    538,723,682.92x = 743,438,902.62 × 291,205,036.36
  4. Step 4: Simplify right side
    538,723,682.92x = 216,493,152,668,895,616
  5. Step 5: Solve for x
    x = 216,493,152,668,895,616/538,723,682.92
  6. Step 6: Final answer
    x = 401,863,069.20

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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.