Home / 1,294,708,202.80-1,942,062,304.20-1,285,638,276.40

Finding the Fourth Proportional to 1,294,708,202.80, 1,942,062,304.20 and 1,285,638,276.40

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Solution

The fourth proportional to 1,294,708,202.80, 1,942,062,304.20 and 1,285,638,276.40 is: 1,928,457,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,708,202.80 : 1,942,062,304.20 = 1,285,638,276.40 : x
  2. Step 2: Convert to fraction form
    1,294,708,202.80/1,942,062,304.20 = 1,285,638,276.40/x
  3. Step 3: Cross multiply
    1,294,708,202.80x = 1,942,062,304.20 × 1,285,638,276.40
  4. Step 4: Simplify right side
    1,294,708,202.80x = 2,496,789,633,433,100,800
  5. Step 5: Solve for x
    x = 2,496,789,633,433,100,800/1,294,708,202.80
  6. Step 6: Final answer
    x = 1,928,457,414.60

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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.