Home / 995,328,091.80-1,492,992,137.70-485,720,155.80

Finding the Fourth Proportional to 995,328,091.80, 1,492,992,137.70 and 485,720,155.80

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Solution

The fourth proportional to 995,328,091.80, 1,492,992,137.70 and 485,720,155.80 is: 728,580,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,091.80 : 1,492,992,137.70 = 485,720,155.80 : x
  2. Step 2: Convert to fraction form
    995,328,091.80/1,492,992,137.70 = 485,720,155.80/x
  3. Step 3: Cross multiply
    995,328,091.80x = 1,492,992,137.70 × 485,720,155.80
  4. Step 4: Simplify right side
    995,328,091.80x = 725,176,373,731,819,136
  5. Step 5: Solve for x
    x = 725,176,373,731,819,136/995,328,091.80
  6. Step 6: Final answer
    x = 728,580,233.70

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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.