Home / 995,328,000.80-1,492,992,001.20-485,720,064.80

Finding the Fourth Proportional to 995,328,000.80, 1,492,992,001.20 and 485,720,064.80

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Solution

The fourth proportional to 995,328,000.80, 1,492,992,001.20 and 485,720,064.80 is: 728,580,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,000.80 : 1,492,992,001.20 = 485,720,064.80 : x
  2. Step 2: Convert to fraction form
    995,328,000.80/1,492,992,001.20 = 485,720,064.80/x
  3. Step 3: Cross multiply
    995,328,000.80x = 1,492,992,001.20 × 485,720,064.80
  4. Step 4: Simplify right side
    995,328,000.80x = 725,176,171,568,745,728
  5. Step 5: Solve for x
    x = 725,176,171,568,745,728/995,328,000.80
  6. Step 6: Final answer
    x = 728,580,097.20

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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.