Home / 606,690,097.20-910,035,145.80-485,757,745.20

Finding the Fourth Proportional to 606,690,097.20, 910,035,145.80 and 485,757,745.20

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Solution

The fourth proportional to 606,690,097.20, 910,035,145.80 and 485,757,745.20 is: 728,636,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,690,097.20 : 910,035,145.80 = 485,757,745.20 : x
  2. Step 2: Convert to fraction form
    606,690,097.20/910,035,145.80 = 485,757,745.20/x
  3. Step 3: Cross multiply
    606,690,097.20x = 910,035,145.80 × 485,757,745.20
  4. Step 4: Simplify right side
    606,690,097.20x = 442,056,620,476,561,216
  5. Step 5: Solve for x
    x = 442,056,620,476,561,216/606,690,097.20
  6. Step 6: Final answer
    x = 728,636,617.80

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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.