Home / 995,328,588.80-1,492,992,883.20-485,720,652.80

Finding the Fourth Proportional to 995,328,588.80, 1,492,992,883.20 and 485,720,652.80

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Solution

The fourth proportional to 995,328,588.80, 1,492,992,883.20 and 485,720,652.80 is: 728,580,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,588.80 : 1,492,992,883.20 = 485,720,652.80 : x
  2. Step 2: Convert to fraction form
    995,328,588.80/1,492,992,883.20 = 485,720,652.80/x
  3. Step 3: Cross multiply
    995,328,588.80x = 1,492,992,883.20 × 485,720,652.80
  4. Step 4: Simplify right side
    995,328,588.80x = 725,177,477,853,658,240
  5. Step 5: Solve for x
    x = 725,177,477,853,658,240/995,328,588.80
  6. Step 6: Final answer
    x = 728,580,979.20

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1.5x scale

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.