Home / 386,639,335.14-579,779,195.67-140,824,844.34

Finding the Fourth Proportional to 386,639,335.14, 579,779,195.67 and 140,824,844.34

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Solution

The fourth proportional to 386,639,335.14, 579,779,195.67 and 140,824,844.34 is: 211,171,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,639,335.14 : 579,779,195.67 = 140,824,844.34 : x
  2. Step 2: Convert to fraction form
    386,639,335.14/579,779,195.67 = 140,824,844.34/x
  3. Step 3: Cross multiply
    386,639,335.14x = 579,779,195.67 × 140,824,844.34
  4. Step 4: Simplify right side
    386,639,335.14x = 81,647,314,981,798,144
  5. Step 5: Solve for x
    x = 81,647,314,981,798,144/386,639,335.14
  6. Step 6: Final answer
    x = 211,171,775.76

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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.