Home / 413,798,617.30-620,648,159.55-171,436,249.30

Finding the Fourth Proportional to 413,798,617.30, 620,648,159.55 and 171,436,249.30

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Solution

The fourth proportional to 413,798,617.30, 620,648,159.55 and 171,436,249.30 is: 257,133,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,798,617.30 : 620,648,159.55 = 171,436,249.30 : x
  2. Step 2: Convert to fraction form
    413,798,617.30/620,648,159.55 = 171,436,249.30/x
  3. Step 3: Cross multiply
    413,798,617.30x = 620,648,159.55 × 171,436,249.30
  4. Step 4: Simplify right side
    413,798,617.30x = 106,401,592,608,199,968
  5. Step 5: Solve for x
    x = 106,401,592,608,199,968/413,798,617.30
  6. Step 6: Final answer
    x = 257,133,755.79

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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.