Home / 995,154,154-1,373,809,912.68-618,932,015.44

Finding the Fourth Proportional to 995,154,154, 1,373,809,912.68 and 618,932,015.44

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Solution

The fourth proportional to 995,154,154, 1,373,809,912.68 and 618,932,015.44 is: 854,435,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,154,154 : 1,373,809,912.68 = 618,932,015.44 : x
  2. Step 2: Convert to fraction form
    995,154,154/1,373,809,912.68 = 618,932,015.44/x
  3. Step 3: Cross multiply
    995,154,154x = 1,373,809,912.68 × 618,932,015.44
  4. Step 4: Simplify right side
    995,154,154x = 850,294,938,086,482,944
  5. Step 5: Solve for x
    x = 850,294,938,086,482,944/995,154,154
  6. Step 6: Final answer
    x = 854,435,400.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.