Home / 358,181,123.20-537,271,684.80-280,246,940.80

Finding the Fourth Proportional to 358,181,123.20, 537,271,684.80 and 280,246,940.80

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Solution

The fourth proportional to 358,181,123.20, 537,271,684.80 and 280,246,940.80 is: 420,370,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,181,123.20 : 537,271,684.80 = 280,246,940.80 : x
  2. Step 2: Convert to fraction form
    358,181,123.20/537,271,684.80 = 280,246,940.80/x
  3. Step 3: Cross multiply
    358,181,123.20x = 537,271,684.80 × 280,246,940.80
  4. Step 4: Simplify right side
    358,181,123.20x = 150,568,746,043,661,856
  5. Step 5: Solve for x
    x = 150,568,746,043,661,856/358,181,123.20
  6. Step 6: Final answer
    x = 420,370,411.20

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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.