Home / 539,031,861.30-808,545,167.55-211,275,794.10

Finding the Fourth Proportional to 539,031,861.30, 808,545,167.55 and 211,275,794.10

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Solution

The fourth proportional to 539,031,861.30, 808,545,167.55 and 211,275,794.10 is: 316,912,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,031,861.30 : 808,545,167.55 = 211,275,794.10 : x
  2. Step 2: Convert to fraction form
    539,031,861.30/808,545,167.55 = 211,275,794.10/x
  3. Step 3: Cross multiply
    539,031,861.30x = 808,545,167.55 × 211,275,794.10
  4. Step 4: Simplify right side
    539,031,861.30x = 170,826,022,339,843,776
  5. Step 5: Solve for x
    x = 170,826,022,339,843,776/539,031,861.30
  6. Step 6: Final answer
    x = 316,912,662.51

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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.