Home / 3,842,851,947.59-5,765,064,112.74-1,321,452,714.51

Finding the Fourth Proportional to 3,842,851,947.59, 5,765,064,112.74 and 1,321,452,714.51

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Solution

The fourth proportional to 3,842,851,947.59, 5,765,064,112.74 and 1,321,452,714.51 is: 1,982,449,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,851,947.59 : 5,765,064,112.74 = 1,321,452,714.51 : x
  2. Step 2: Convert to fraction form
    3,842,851,947.59/5,765,064,112.74 = 1,321,452,714.51/x
  3. Step 3: Cross multiply
    3,842,851,947.59x = 5,765,064,112.74 × 1,321,452,714.51
  4. Step 4: Simplify right side
    3,842,851,947.59x = 7,618,259,621,104,457,728
  5. Step 5: Solve for x
    x = 7,618,259,621,104,457,728/3,842,851,947.59
  6. Step 6: Final answer
    x = 1,982,449,421.68

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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.