Home / 724,266,476.20-1,086,399,714.30-264,219,653.80

Finding the Fourth Proportional to 724,266,476.20, 1,086,399,714.30 and 264,219,653.80

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Solution

The fourth proportional to 724,266,476.20, 1,086,399,714.30 and 264,219,653.80 is: 396,329,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,266,476.20 : 1,086,399,714.30 = 264,219,653.80 : x
  2. Step 2: Convert to fraction form
    724,266,476.20/1,086,399,714.30 = 264,219,653.80/x
  3. Step 3: Cross multiply
    724,266,476.20x = 1,086,399,714.30 × 264,219,653.80
  4. Step 4: Simplify right side
    724,266,476.20x = 287,048,156,400,764,896
  5. Step 5: Solve for x
    x = 287,048,156,400,764,896/724,266,476.20
  6. Step 6: Final answer
    x = 396,329,480.70

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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.