Home / 880,811,231.80-1,321,174,857.30-298,488,364.60

Finding the Fourth Proportional to 880,811,231.80, 1,321,174,857.30 and 298,488,364.60

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Solution

The fourth proportional to 880,811,231.80, 1,321,174,857.30 and 298,488,364.60 is: 447,718,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,811,231.80 : 1,321,174,857.30 = 298,488,364.60 : x
  2. Step 2: Convert to fraction form
    880,811,231.80/1,321,174,857.30 = 298,488,364.60/x
  3. Step 3: Cross multiply
    880,811,231.80x = 1,321,174,857.30 × 298,488,364.60
  4. Step 4: Simplify right side
    880,811,231.80x = 394,355,322,506,115,392
  5. Step 5: Solve for x
    x = 394,355,322,506,115,392/880,811,231.80
  6. Step 6: Final answer
    x = 447,718,317.24

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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.