Home / 305,914,337,960.99-422,163,098,852.43-166,868,649,832.55

Finding the Fourth Proportional to 305,914,337,960.99, 422,163,098,852.43 and 166,868,649,832.55

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Solution

The fourth proportional to 305,914,337,960.99, 422,163,098,852.43 and 166,868,649,832.55 is: 230,279,452,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,337,960.99 : 422,163,098,852.43 = 166,868,649,832.55 : x
  2. Step 2: Convert to fraction form
    305,914,337,960.99/422,163,098,852.43 = 166,868,649,832.55/x
  3. Step 3: Cross multiply
    305,914,337,960.99x = 422,163,098,852.43 × 166,868,649,832.55
  4. Step 4: Simplify right side
    305,914,337,960.99x = 70,445,786,314,630,328,483,840
  5. Step 5: Solve for x
    x = 70,445,786,314,630,328,483,840/305,914,337,960.99
  6. Step 6: Final answer
    x = 230,279,452,686.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.