Home / 1,994,552,936.60-2,991,829,404.90-961,431,632.60

Finding the Fourth Proportional to 1,994,552,936.60, 2,991,829,404.90 and 961,431,632.60

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Solution

The fourth proportional to 1,994,552,936.60, 2,991,829,404.90 and 961,431,632.60 is: 1,442,147,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,552,936.60 : 2,991,829,404.90 = 961,431,632.60 : x
  2. Step 2: Convert to fraction form
    1,994,552,936.60/2,991,829,404.90 = 961,431,632.60/x
  3. Step 3: Cross multiply
    1,994,552,936.60x = 2,991,829,404.90 × 961,431,632.60
  4. Step 4: Simplify right side
    1,994,552,936.60x = 2,876,439,429,213,693,440
  5. Step 5: Solve for x
    x = 2,876,439,429,213,693,440/1,994,552,936.60
  6. Step 6: Final answer
    x = 1,442,147,448.90

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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.