Home / 485,825,378.74-728,152,576.74-223,147,452.28

Finding the Fourth Proportional to 485,825,378.74, 728,152,576.74 and 223,147,452.28

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Solution

The fourth proportional to 485,825,378.74, 728,152,576.74 and 223,147,452.28 is: 334,452,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,825,378.74 : 728,152,576.74 = 223,147,452.28 : x
  2. Step 2: Convert to fraction form
    485,825,378.74/728,152,576.74 = 223,147,452.28/x
  3. Step 3: Cross multiply
    485,825,378.74x = 728,152,576.74 × 223,147,452.28
  4. Step 4: Simplify right side
    485,825,378.74x = 162,485,392,370,648,192
  5. Step 5: Solve for x
    x = 162,485,392,370,648,192/485,825,378.74
  6. Step 6: Final answer
    x = 334,452,252.77

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1.5x scale

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.