Home / 3,826,689,643.80-5,280,831,664.56-2,066,557,051.80

Finding the Fourth Proportional to 3,826,689,643.80, 5,280,831,664.56 and 2,066,557,051.80

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Solution

The fourth proportional to 3,826,689,643.80, 5,280,831,664.56 and 2,066,557,051.80 is: 2,851,848,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,689,643.80 : 5,280,831,664.56 = 2,066,557,051.80 : x
  2. Step 2: Convert to fraction form
    3,826,689,643.80/5,280,831,664.56 = 2,066,557,051.80/x
  3. Step 3: Cross multiply
    3,826,689,643.80x = 5,280,831,664.56 × 2,066,557,051.80
  4. Step 4: Simplify right side
    3,826,689,643.80x = 10,913,139,915,765,200,896
  5. Step 5: Solve for x
    x = 10,913,139,915,765,200,896/3,826,689,643.80
  6. Step 6: Final answer
    x = 2,851,848,707.78

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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.