Home / 1,294,707,856.80-1,942,061,785.20-741,442,346.40

Finding the Fourth Proportional to 1,294,707,856.80, 1,942,061,785.20 and 741,442,346.40

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Solution

The fourth proportional to 1,294,707,856.80, 1,942,061,785.20 and 741,442,346.40 is: 1,112,163,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,707,856.80 : 1,942,061,785.20 = 741,442,346.40 : x
  2. Step 2: Convert to fraction form
    1,294,707,856.80/1,942,061,785.20 = 741,442,346.40/x
  3. Step 3: Cross multiply
    1,294,707,856.80x = 1,942,061,785.20 × 741,442,346.40
  4. Step 4: Simplify right side
    1,294,707,856.80x = 1,439,926,846,872,460,800
  5. Step 5: Solve for x
    x = 1,439,926,846,872,460,800/1,294,707,856.80
  6. Step 6: Final answer
    x = 1,112,163,519.60

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Double scale
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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.