Home / 487,181,283.69-672,309,452.12-264,162,560.07

Finding the Fourth Proportional to 487,181,283.69, 672,309,452.12 and 264,162,560.07

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Solution

The fourth proportional to 487,181,283.69, 672,309,452.12 and 264,162,560.07 is: 364,543,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,181,283.69 : 672,309,452.12 = 264,162,560.07 : x
  2. Step 2: Convert to fraction form
    487,181,283.69/672,309,452.12 = 264,162,560.07/x
  3. Step 3: Cross multiply
    487,181,283.69x = 672,309,452.12 × 264,162,560.07
  4. Step 4: Simplify right side
    487,181,283.69x = 177,598,986,029,957,472
  5. Step 5: Solve for x
    x = 177,598,986,029,957,472/487,181,283.69
  6. Step 6: Final answer
    x = 364,543,942.83

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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.