Home / 995,328,070.30-1,492,992,105.45-485,720,134.30

Finding the Fourth Proportional to 995,328,070.30, 1,492,992,105.45 and 485,720,134.30

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Solution

The fourth proportional to 995,328,070.30, 1,492,992,105.45 and 485,720,134.30 is: 728,580,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,070.30 : 1,492,992,105.45 = 485,720,134.30 : x
  2. Step 2: Convert to fraction form
    995,328,070.30/1,492,992,105.45 = 485,720,134.30/x
  3. Step 3: Cross multiply
    995,328,070.30x = 1,492,992,105.45 × 485,720,134.30
  4. Step 4: Simplify right side
    995,328,070.30x = 725,176,325,968,013,824
  5. Step 5: Solve for x
    x = 725,176,325,968,013,824/995,328,070.30
  6. Step 6: Final answer
    x = 728,580,201.45

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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.