Home / 2,871,579,801.78-3,962,772,293.82-1,601,422,164.90

Finding the Fourth Proportional to 2,871,579,801.78, 3,962,772,293.82 and 1,601,422,164.90

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Solution

The fourth proportional to 2,871,579,801.78, 3,962,772,293.82 and 1,601,422,164.90 is: 2,209,958,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,579,801.78 : 3,962,772,293.82 = 1,601,422,164.90 : x
  2. Step 2: Convert to fraction form
    2,871,579,801.78/3,962,772,293.82 = 1,601,422,164.90/x
  3. Step 3: Cross multiply
    2,871,579,801.78x = 3,962,772,293.82 × 1,601,422,164.90
  4. Step 4: Simplify right side
    2,871,579,801.78x = 6,346,071,385,774,963,712
  5. Step 5: Solve for x
    x = 6,346,071,385,774,963,712/2,871,579,801.78
  6. Step 6: Final answer
    x = 2,209,958,219.46

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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.