Home / 1,005,466,949,935.20-1,508,440,130,406.60-325,545,510,776.68

Finding the Fourth Proportional to 1,005,466,949,935.20, 1,508,440,130,406.60 and 325,545,510,776.68

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Solution

The fourth proportional to 1,005,466,949,935.20, 1,508,440,130,406.60 and 325,545,510,776.68 is: 488,395,876,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,466,949,935.20 : 1,508,440,130,406.60 = 325,545,510,776.68 : x
  2. Step 2: Convert to fraction form
    1,005,466,949,935.20/1,508,440,130,406.60 = 325,545,510,776.68/x
  3. Step 3: Cross multiply
    1,005,466,949,935.20x = 1,508,440,130,406.60 × 325,545,510,776.68
  4. Step 4: Simplify right side
    1,005,466,949,935.20x = 491,065,912,729,258,394,910,720
  5. Step 5: Solve for x
    x = 491,065,912,729,258,394,910,720/1,005,466,949,935.20
  6. Step 6: Final answer
    x = 488,395,876,921.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.