Home / 995,327,999.20-1,492,991,998.80-612,591,205.60

Finding the Fourth Proportional to 995,327,999.20, 1,492,991,998.80 and 612,591,205.60

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Solution

The fourth proportional to 995,327,999.20, 1,492,991,998.80 and 612,591,205.60 is: 918,886,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,327,999.20 : 1,492,991,998.80 = 612,591,205.60 : x
  2. Step 2: Convert to fraction form
    995,327,999.20/1,492,991,998.80 = 612,591,205.60/x
  3. Step 3: Cross multiply
    995,327,999.20x = 1,492,991,998.80 × 612,591,205.60
  4. Step 4: Simplify right side
    995,327,999.20x = 914,593,768,496,045,696
  5. Step 5: Solve for x
    x = 914,593,768,496,045,696/995,327,999.20
  6. Step 6: Final answer
    x = 918,886,808.40

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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.