Home / 1,299,962,494.26-1,793,951,719.23-705,246,978.60

Finding the Fourth Proportional to 1,299,962,494.26, 1,793,951,719.23 and 705,246,978.60

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Solution

The fourth proportional to 1,299,962,494.26, 1,793,951,719.23 and 705,246,978.60 is: 973,242,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,962,494.26 : 1,793,951,719.23 = 705,246,978.60 : x
  2. Step 2: Convert to fraction form
    1,299,962,494.26/1,793,951,719.23 = 705,246,978.60/x
  3. Step 3: Cross multiply
    1,299,962,494.26x = 1,793,951,719.23 × 705,246,978.60
  4. Step 4: Simplify right side
    1,299,962,494.26x = 1,265,179,029,741,233,152
  5. Step 5: Solve for x
    x = 1,265,179,029,741,233,152/1,299,962,494.26
  6. Step 6: Final answer
    x = 973,242,716.87

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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.