Home / 1,294,707,936.80-1,942,061,905.20-741,442,426.40

Finding the Fourth Proportional to 1,294,707,936.80, 1,942,061,905.20 and 741,442,426.40

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Solution

The fourth proportional to 1,294,707,936.80, 1,942,061,905.20 and 741,442,426.40 is: 1,112,163,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,707,936.80 : 1,942,061,905.20 = 741,442,426.40 : x
  2. Step 2: Convert to fraction form
    1,294,707,936.80/1,942,061,905.20 = 741,442,426.40/x
  3. Step 3: Cross multiply
    1,294,707,936.80x = 1,942,061,905.20 × 741,442,426.40
  4. Step 4: Simplify right side
    1,294,707,936.80x = 1,439,927,091,210,494,720
  5. Step 5: Solve for x
    x = 1,439,927,091,210,494,720/1,294,707,936.80
  6. Step 6: Final answer
    x = 1,112,163,639.60

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1.5x scale

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.