Home / 1,179,831,930,139.40-1,628,150,736,042.30-658,994,949,414.55

Finding the Fourth Proportional to 1,179,831,930,139.40, 1,628,150,736,042.30 and 658,994,949,414.55

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Solution

The fourth proportional to 1,179,831,930,139.40, 1,628,150,736,042.30 and 658,994,949,414.55 is: 909,403,351,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,831,930,139.40 : 1,628,150,736,042.30 = 658,994,949,414.55 : x
  2. Step 2: Convert to fraction form
    1,179,831,930,139.40/1,628,150,736,042.30 = 658,994,949,414.55/x
  3. Step 3: Cross multiply
    1,179,831,930,139.40x = 1,628,150,736,042.30 × 658,994,949,414.55
  4. Step 4: Simplify right side
    1,179,831,930,139.40x = 1,072,943,111,937,457,924,341,760
  5. Step 5: Solve for x
    x = 1,072,943,111,937,457,924,341,760/1,179,831,930,139.40
  6. Step 6: Final answer
    x = 909,403,351,891.56

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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.