Home / 1,291,318,004.44-1,936,964,241.87-591,611,666.86

Finding the Fourth Proportional to 1,291,318,004.44, 1,936,964,241.87 and 591,611,666.86

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Solution

The fourth proportional to 1,291,318,004.44, 1,936,964,241.87 and 591,611,666.86 is: 887,411,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,318,004.44 : 1,936,964,241.87 = 591,611,666.86 : x
  2. Step 2: Convert to fraction form
    1,291,318,004.44/1,936,964,241.87 = 591,611,666.86/x
  3. Step 3: Cross multiply
    1,291,318,004.44x = 1,936,964,241.87 × 591,611,666.86
  4. Step 4: Simplify right side
    1,291,318,004.44x = 1,145,930,643,780,926,848
  5. Step 5: Solve for x
    x = 1,145,930,643,780,926,848/1,291,318,004.44
  6. Step 6: Final answer
    x = 887,411,652.16

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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.