Home / 2,939,425,908.40-4,409,138,862.60-2,213,831,796.40

Finding the Fourth Proportional to 2,939,425,908.40, 4,409,138,862.60 and 2,213,831,796.40

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Solution

The fourth proportional to 2,939,425,908.40, 4,409,138,862.60 and 2,213,831,796.40 is: 3,320,747,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,425,908.40 : 4,409,138,862.60 = 2,213,831,796.40 : x
  2. Step 2: Convert to fraction form
    2,939,425,908.40/4,409,138,862.60 = 2,213,831,796.40/x
  3. Step 3: Cross multiply
    2,939,425,908.40x = 4,409,138,862.60 × 2,213,831,796.40
  4. Step 4: Simplify right side
    2,939,425,908.40x = 9,761,091,808,766,812,160
  5. Step 5: Solve for x
    x = 9,761,091,808,766,812,160/2,939,425,908.40
  6. Step 6: Final answer
    x = 3,320,747,694.60

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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.