Home / 300,746,481,490.20-451,305,276,404.88-139,367,808,274.95

Finding the Fourth Proportional to 300,746,481,490.20, 451,305,276,404.88 and 139,367,808,274.95

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Solution

The fourth proportional to 300,746,481,490.20, 451,305,276,404.88 and 139,367,808,274.95 is: 209,137,699,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,746,481,490.20 : 451,305,276,404.88 = 139,367,808,274.95 : x
  2. Step 2: Convert to fraction form
    300,746,481,490.20/451,305,276,404.88 = 139,367,808,274.95/x
  3. Step 3: Cross multiply
    300,746,481,490.20x = 451,305,276,404.88 × 139,367,808,274.95
  4. Step 4: Simplify right side
    300,746,481,490.20x = 62,897,427,235,468,642,091,008
  5. Step 5: Solve for x
    x = 62,897,427,235,468,642,091,008/300,746,481,490.20
  6. Step 6: Final answer
    x = 209,137,699,379.93

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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.