Home / 1,291,318,003.94-1,936,964,241.12-591,611,666.36

Finding the Fourth Proportional to 1,291,318,003.94, 1,936,964,241.12 and 591,611,666.36

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Solution

The fourth proportional to 1,291,318,003.94, 1,936,964,241.12 and 591,611,666.36 is: 887,411,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,318,003.94 : 1,936,964,241.12 = 591,611,666.36 : x
  2. Step 2: Convert to fraction form
    1,291,318,003.94/1,936,964,241.12 = 591,611,666.36/x
  3. Step 3: Cross multiply
    1,291,318,003.94x = 1,936,964,241.12 × 591,611,666.36
  4. Step 4: Simplify right side
    1,291,318,003.94x = 1,145,930,642,368,736,000
  5. Step 5: Solve for x
    x = 1,145,930,642,368,736,000/1,291,318,003.94
  6. Step 6: Final answer
    x = 887,411,651.41

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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.