Home / 358,181,107.70-537,271,661.55-280,246,925.30

Finding the Fourth Proportional to 358,181,107.70, 537,271,661.55 and 280,246,925.30

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Solution

The fourth proportional to 358,181,107.70, 537,271,661.55 and 280,246,925.30 is: 420,370,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,181,107.70 : 537,271,661.55 = 280,246,925.30 : x
  2. Step 2: Convert to fraction form
    358,181,107.70/537,271,661.55 = 280,246,925.30/x
  3. Step 3: Cross multiply
    358,181,107.70x = 537,271,661.55 × 280,246,925.30
  4. Step 4: Simplify right side
    358,181,107.70x = 150,568,731,200,209,728
  5. Step 5: Solve for x
    x = 150,568,731,200,209,728/358,181,107.70
  6. Step 6: Final answer
    x = 420,370,387.95

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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.