Home / 386,174,511.60-579,933,613.80-204,775,983.60

Finding the Fourth Proportional to 386,174,511.60, 579,933,613.80 and 204,775,983.60

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Solution

The fourth proportional to 386,174,511.60, 579,933,613.80 and 204,775,983.60 is: 307,520,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,174,511.60 : 579,933,613.80 = 204,775,983.60 : x
  2. Step 2: Convert to fraction form
    386,174,511.60/579,933,613.80 = 204,775,983.60/x
  3. Step 3: Cross multiply
    386,174,511.60x = 579,933,613.80 × 204,775,983.60
  4. Step 4: Simplify right side
    386,174,511.60x = 118,756,476,188,597,520
  5. Step 5: Solve for x
    x = 118,756,476,188,597,520/386,174,511.60
  6. Step 6: Final answer
    x = 307,520,234.04

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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.