Home / 995,335,999.80-1,493,003,999.70-485,728,063.80

Finding the Fourth Proportional to 995,335,999.80, 1,493,003,999.70 and 485,728,063.80

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Solution

The fourth proportional to 995,335,999.80, 1,493,003,999.70 and 485,728,063.80 is: 728,592,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,335,999.80 : 1,493,003,999.70 = 485,728,063.80 : x
  2. Step 2: Convert to fraction form
    995,335,999.80/1,493,003,999.70 = 485,728,063.80/x
  3. Step 3: Cross multiply
    995,335,999.80x = 1,493,003,999.70 × 485,728,063.80
  4. Step 4: Simplify right side
    995,335,999.80x = 725,193,942,019,936,768
  5. Step 5: Solve for x
    x = 725,193,942,019,936,768/995,335,999.80
  6. Step 6: Final answer
    x = 728,592,095.70

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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.