Home / 1,772,928,029.80-2,659,392,044.70-1,038,263,991.40

Finding the Fourth Proportional to 1,772,928,029.80, 2,659,392,044.70 and 1,038,263,991.40

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Solution

The fourth proportional to 1,772,928,029.80, 2,659,392,044.70 and 1,038,263,991.40 is: 1,557,395,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,928,029.80 : 2,659,392,044.70 = 1,038,263,991.40 : x
  2. Step 2: Convert to fraction form
    1,772,928,029.80/2,659,392,044.70 = 1,038,263,991.40/x
  3. Step 3: Cross multiply
    1,772,928,029.80x = 2,659,392,044.70 × 1,038,263,991.40
  4. Step 4: Simplify right side
    1,772,928,029.80x = 2,761,150,999,027,629,056
  5. Step 5: Solve for x
    x = 2,761,150,999,027,629,056/1,772,928,029.80
  6. Step 6: Final answer
    x = 1,557,395,987.10

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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.