Home / 3,712,929,995.52-5,123,940,327.36-2,042,222,971.68

Finding the Fourth Proportional to 3,712,929,995.52, 5,123,940,327.36 and 2,042,222,971.68

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Solution

The fourth proportional to 3,712,929,995.52, 5,123,940,327.36 and 2,042,222,971.68 is: 2,818,321,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,929,995.52 : 5,123,940,327.36 = 2,042,222,971.68 : x
  2. Step 2: Convert to fraction form
    3,712,929,995.52/5,123,940,327.36 = 2,042,222,971.68/x
  3. Step 3: Cross multiply
    3,712,929,995.52x = 5,123,940,327.36 × 2,042,222,971.68
  4. Step 4: Simplify right side
    3,712,929,995.52x = 10,464,228,642,052,130,816
  5. Step 5: Solve for x
    x = 10,464,228,642,052,130,816/3,712,929,995.52
  6. Step 6: Final answer
    x = 2,818,321,017.28

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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.