Home / 5,318,786,090.40-7,978,179,135.60-3,543,347,997.60

Finding the Fourth Proportional to 5,318,786,090.40, 7,978,179,135.60 and 3,543,347,997.60

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Solution

The fourth proportional to 5,318,786,090.40, 7,978,179,135.60 and 3,543,347,997.60 is: 5,315,021,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,786,090.40 : 7,978,179,135.60 = 3,543,347,997.60 : x
  2. Step 2: Convert to fraction form
    5,318,786,090.40/7,978,179,135.60 = 3,543,347,997.60/x
  3. Step 3: Cross multiply
    5,318,786,090.40x = 7,978,179,135.60 × 3,543,347,997.60
  4. Step 4: Simplify right side
    5,318,786,090.40x = 28,269,465,064,622,358,528
  5. Step 5: Solve for x
    x = 28,269,465,064,622,358,528/5,318,786,090.40
  6. Step 6: Final answer
    x = 5,315,021,996.40

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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.