Home / 995,328,609.30-1,492,992,913.95-485,720,673.30

Finding the Fourth Proportional to 995,328,609.30, 1,492,992,913.95 and 485,720,673.30

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Solution

The fourth proportional to 995,328,609.30, 1,492,992,913.95 and 485,720,673.30 is: 728,581,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,609.30 : 1,492,992,913.95 = 485,720,673.30 : x
  2. Step 2: Convert to fraction form
    995,328,609.30/1,492,992,913.95 = 485,720,673.30/x
  3. Step 3: Cross multiply
    995,328,609.30x = 1,492,992,913.95 × 485,720,673.30
  4. Step 4: Simplify right side
    995,328,609.30x = 725,177,523,395,922,944
  5. Step 5: Solve for x
    x = 725,177,523,395,922,944/995,328,609.30
  6. Step 6: Final answer
    x = 728,581,009.95

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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.