Home / 355,780,966.36-490,982,747.80-204,990,284.52

Finding the Fourth Proportional to 355,780,966.36, 490,982,747.80 and 204,990,284.52

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Solution

The fourth proportional to 355,780,966.36, 490,982,747.80 and 204,990,284.52 is: 282,889,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,780,966.36 : 490,982,747.80 = 204,990,284.52 : x
  2. Step 2: Convert to fraction form
    355,780,966.36/490,982,747.80 = 204,990,284.52/x
  3. Step 3: Cross multiply
    355,780,966.36x = 490,982,747.80 × 204,990,284.52
  4. Step 4: Simplify right side
    355,780,966.36x = 100,646,693,165,933,408
  5. Step 5: Solve for x
    x = 100,646,693,165,933,408/355,780,966.36
  6. Step 6: Final answer
    x = 282,889,481.68

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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.