Home / 1,964,658,938.09-2,945,535,573.69-1,188,131,963.51

Finding the Fourth Proportional to 1,964,658,938.09, 2,945,535,573.69 and 1,188,131,963.51

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Solution

The fourth proportional to 1,964,658,938.09, 2,945,535,573.69 and 1,188,131,963.51 is: 1,781,319,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,658,938.09 : 2,945,535,573.69 = 1,188,131,963.51 : x
  2. Step 2: Convert to fraction form
    1,964,658,938.09/2,945,535,573.69 = 1,188,131,963.51/x
  3. Step 3: Cross multiply
    1,964,658,938.09x = 2,945,535,573.69 × 1,188,131,963.51
  4. Step 4: Simplify right side
    1,964,658,938.09x = 3,499,684,964,764,217,856
  5. Step 5: Solve for x
    x = 3,499,684,964,764,217,856/1,964,658,938.09
  6. Step 6: Final answer
    x = 1,781,319,340.94

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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.