Home / 995,682,515.20-1,493,523,772.80-859,521,644.80

Finding the Fourth Proportional to 995,682,515.20, 1,493,523,772.80 and 859,521,644.80

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Solution

The fourth proportional to 995,682,515.20, 1,493,523,772.80 and 859,521,644.80 is: 1,289,282,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,682,515.20 : 1,493,523,772.80 = 859,521,644.80 : x
  2. Step 2: Convert to fraction form
    995,682,515.20/1,493,523,772.80 = 859,521,644.80/x
  3. Step 3: Cross multiply
    995,682,515.20x = 1,493,523,772.80 × 859,521,644.80
  4. Step 4: Simplify right side
    995,682,515.20x = 1,283,716,009,744,957,440
  5. Step 5: Solve for x
    x = 1,283,716,009,744,957,440/995,682,515.20
  6. Step 6: Final answer
    x = 1,289,282,467.20

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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.