Home / 1,941,872,112.80-2,913,091,604.40-631,551,183.20

Finding the Fourth Proportional to 1,941,872,112.80, 2,913,091,604.40 and 631,551,183.20

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Solution

The fourth proportional to 1,941,872,112.80, 2,913,091,604.40 and 631,551,183.20 is: 947,418,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,872,112.80 : 2,913,091,604.40 = 631,551,183.20 : x
  2. Step 2: Convert to fraction form
    1,941,872,112.80/2,913,091,604.40 = 631,551,183.20/x
  3. Step 3: Cross multiply
    1,941,872,112.80x = 2,913,091,604.40 × 631,551,183.20
  4. Step 4: Simplify right side
    1,941,872,112.80x = 1,839,766,449,528,806,400
  5. Step 5: Solve for x
    x = 1,839,766,449,528,806,400/1,941,872,112.80
  6. Step 6: Final answer
    x = 947,418,955.86

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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.