Home / 305,914,338,570-422,163,099,692.66-166,868,650,441.30

Finding the Fourth Proportional to 305,914,338,570, 422,163,099,692.66 and 166,868,650,441.30

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Solution

The fourth proportional to 305,914,338,570, 422,163,099,692.66 and 166,868,650,441.30 is: 230,279,453,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,570 : 422,163,099,692.66 = 166,868,650,441.30 : x
  2. Step 2: Convert to fraction form
    305,914,338,570/422,163,099,692.66 = 166,868,650,441.30/x
  3. Step 3: Cross multiply
    305,914,338,570x = 422,163,099,692.66 × 166,868,650,441.30
  4. Step 4: Simplify right side
    305,914,338,570x = 70,445,786,711,830,153,920,512
  5. Step 5: Solve for x
    x = 70,445,786,711,830,153,920,512/305,914,338,570
  6. Step 6: Final answer
    x = 230,279,453,526.53

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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.