Home / 641,667,630.82-883,443,310.50-500,357,520.82

Finding the Fourth Proportional to 641,667,630.82, 883,443,310.50 and 500,357,520.82

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Solution

The fourth proportional to 641,667,630.82, 883,443,310.50 and 500,357,520.82 is: 688,888,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,667,630.82 : 883,443,310.50 = 500,357,520.82 : x
  2. Step 2: Convert to fraction form
    641,667,630.82/883,443,310.50 = 500,357,520.82/x
  3. Step 3: Cross multiply
    641,667,630.82x = 883,443,310.50 × 500,357,520.82
  4. Step 4: Simplify right side
    641,667,630.82x = 442,037,504,626,793,472
  5. Step 5: Solve for x
    x = 442,037,504,626,793,472/641,667,630.82
  6. Step 6: Final answer
    x = 688,888,582.49

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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.