Home / 300,746,481,492.20-451,305,276,407.88-139,367,808,276.95

Finding the Fourth Proportional to 300,746,481,492.20, 451,305,276,407.88 and 139,367,808,276.95

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Solution

The fourth proportional to 300,746,481,492.20, 451,305,276,407.88 and 139,367,808,276.95 is: 209,137,699,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,746,481,492.20 : 451,305,276,407.88 = 139,367,808,276.95 : x
  2. Step 2: Convert to fraction form
    300,746,481,492.20/451,305,276,407.88 = 139,367,808,276.95/x
  3. Step 3: Cross multiply
    300,746,481,492.20x = 451,305,276,407.88 × 139,367,808,276.95
  4. Step 4: Simplify right side
    300,746,481,492.20x = 62,897,427,236,789,352,923,136
  5. Step 5: Solve for x
    x = 62,897,427,236,789,352,923,136/300,746,481,492.20
  6. Step 6: Final answer
    x = 209,137,699,382.93

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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.