Home / 609,086,681.87-913,665,550.21-172,350,830.03

Finding the Fourth Proportional to 609,086,681.87, 913,665,550.21 and 172,350,830.03

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Solution

The fourth proportional to 609,086,681.87, 913,665,550.21 and 172,350,830.03 is: 258,536,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,086,681.87 : 913,665,550.21 = 172,350,830.03 : x
  2. Step 2: Convert to fraction form
    609,086,681.87/913,665,550.21 = 172,350,830.03/x
  3. Step 3: Cross multiply
    609,086,681.87x = 913,665,550.21 × 172,350,830.03
  4. Step 4: Simplify right side
    609,086,681.87x = 157,471,015,943,510,944
  5. Step 5: Solve for x
    x = 157,471,015,943,510,944/609,086,681.87
  6. Step 6: Final answer
    x = 258,536,298.09

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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.