Home / 305,914,338,569.74-422,163,099,692.30-166,868,650,441.05

Finding the Fourth Proportional to 305,914,338,569.74, 422,163,099,692.30 and 166,868,650,441.05

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Solution

The fourth proportional to 305,914,338,569.74, 422,163,099,692.30 and 166,868,650,441.05 is: 230,279,453,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,569.74 : 422,163,099,692.30 = 166,868,650,441.05 : x
  2. Step 2: Convert to fraction form
    305,914,338,569.74/422,163,099,692.30 = 166,868,650,441.05/x
  3. Step 3: Cross multiply
    305,914,338,569.74x = 422,163,099,692.30 × 166,868,650,441.05
  4. Step 4: Simplify right side
    305,914,338,569.74x = 70,445,786,711,664,546,021,376
  5. Step 5: Solve for x
    x = 70,445,786,711,664,546,021,376/305,914,338,569.74
  6. Step 6: Final answer
    x = 230,279,453,526.19

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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.