Home / 399,456,317,249.82-599,120,693,485.02-116,408,952,700.19

Finding the Fourth Proportional to 399,456,317,249.82, 599,120,693,485.02 and 116,408,952,700.19

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Solution

The fourth proportional to 399,456,317,249.82, 599,120,693,485.02 and 116,408,952,700.19 is: 174,594,841,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,456,317,249.82 : 599,120,693,485.02 = 116,408,952,700.19 : x
  2. Step 2: Convert to fraction form
    399,456,317,249.82/599,120,693,485.02 = 116,408,952,700.19/x
  3. Step 3: Cross multiply
    399,456,317,249.82x = 599,120,693,485.02 × 116,408,952,700.19
  4. Step 4: Simplify right side
    399,456,317,249.82x = 69,743,012,469,602,728,804,352
  5. Step 5: Solve for x
    x = 69,743,012,469,602,728,804,352/399,456,317,249.82
  6. Step 6: Final answer
    x = 174,594,841,683.24

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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.