Home / 442,870,880.10-664,306,320.15-236,246,619.30

Finding the Fourth Proportional to 442,870,880.10, 664,306,320.15 and 236,246,619.30

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Solution

The fourth proportional to 442,870,880.10, 664,306,320.15 and 236,246,619.30 is: 354,369,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,870,880.10 : 664,306,320.15 = 236,246,619.30 : x
  2. Step 2: Convert to fraction form
    442,870,880.10/664,306,320.15 = 236,246,619.30/x
  3. Step 3: Cross multiply
    442,870,880.10x = 664,306,320.15 × 236,246,619.30
  4. Step 4: Simplify right side
    442,870,880.10x = 156,940,122,315,060,960
  5. Step 5: Solve for x
    x = 156,940,122,315,060,960/442,870,880.10
  6. Step 6: Final answer
    x = 354,369,928.95

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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.