Home / 305,914,337,962.62-422,163,098,854.66-166,868,649,834.18

Finding the Fourth Proportional to 305,914,337,962.62, 422,163,098,854.66 and 166,868,649,834.18

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Solution

The fourth proportional to 305,914,337,962.62, 422,163,098,854.66 and 166,868,649,834.18 is: 230,279,452,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,337,962.62 : 422,163,098,854.66 = 166,868,649,834.18 : x
  2. Step 2: Convert to fraction form
    305,914,337,962.62/422,163,098,854.66 = 166,868,649,834.18/x
  3. Step 3: Cross multiply
    305,914,337,962.62x = 422,163,098,854.66 × 166,868,649,834.18
  4. Step 4: Simplify right side
    305,914,337,962.62x = 70,445,786,315,690,564,648,960
  5. Step 5: Solve for x
    x = 70,445,786,315,690,564,648,960/305,914,337,962.62
  6. Step 6: Final answer
    x = 230,279,452,688.81

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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.