Home / 579,861,253.50-800,208,660.87-319,100,869.50

Finding the Fourth Proportional to 579,861,253.50, 800,208,660.87 and 319,100,869.50

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Solution

The fourth proportional to 579,861,253.50, 800,208,660.87 and 319,100,869.50 is: 440,359,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,861,253.50 : 800,208,660.87 = 319,100,869.50 : x
  2. Step 2: Convert to fraction form
    579,861,253.50/800,208,660.87 = 319,100,869.50/x
  3. Step 3: Cross multiply
    579,861,253.50x = 800,208,660.87 × 319,100,869.50
  4. Step 4: Simplify right side
    579,861,253.50x = 255,347,279,465,047,616
  5. Step 5: Solve for x
    x = 255,347,279,465,047,616/579,861,253.50
  6. Step 6: Final answer
    x = 440,359,272.02

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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.