Home / 355,894,016.20-533,841,024.30-279,452,825.80

Finding the Fourth Proportional to 355,894,016.20, 533,841,024.30 and 279,452,825.80

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Solution

The fourth proportional to 355,894,016.20, 533,841,024.30 and 279,452,825.80 is: 419,179,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,894,016.20 : 533,841,024.30 = 279,452,825.80 : x
  2. Step 2: Convert to fraction form
    355,894,016.20/533,841,024.30 = 279,452,825.80/x
  3. Step 3: Cross multiply
    355,894,016.20x = 533,841,024.30 × 279,452,825.80
  4. Step 4: Simplify right side
    355,894,016.20x = 149,183,382,768,601,472
  5. Step 5: Solve for x
    x = 149,183,382,768,601,472/355,894,016.20
  6. Step 6: Final answer
    x = 419,179,238.70

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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.