Home / 873,809,511.20-1,311,218,151.60-328,942,080.80

Finding the Fourth Proportional to 873,809,511.20, 1,311,218,151.60 and 328,942,080.80

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Solution

The fourth proportional to 873,809,511.20, 1,311,218,151.60 and 328,942,080.80 is: 493,602,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,809,511.20 : 1,311,218,151.60 = 328,942,080.80 : x
  2. Step 2: Convert to fraction form
    873,809,511.20/1,311,218,151.60 = 328,942,080.80/x
  3. Step 3: Cross multiply
    873,809,511.20x = 1,311,218,151.60 × 328,942,080.80
  4. Step 4: Simplify right side
    873,809,511.20x = 431,314,827,170,033,856
  5. Step 5: Solve for x
    x = 431,314,827,170,033,856/873,809,511.20
  6. Step 6: Final answer
    x = 493,602,806.61

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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.