Home / 1,209,744,121.40-1,813,340,723.70-472,529,166.20

Finding the Fourth Proportional to 1,209,744,121.40, 1,813,340,723.70 and 472,529,166.20

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Solution

The fourth proportional to 1,209,744,121.40, 1,813,340,723.70 and 472,529,166.20 is: 708,295,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,744,121.40 : 1,813,340,723.70 = 472,529,166.20 : x
  2. Step 2: Convert to fraction form
    1,209,744,121.40/1,813,340,723.70 = 472,529,166.20/x
  3. Step 3: Cross multiply
    1,209,744,121.40x = 1,813,340,723.70 × 472,529,166.20
  4. Step 4: Simplify right side
    1,209,744,121.40x = 856,856,380,206,465,536
  5. Step 5: Solve for x
    x = 856,856,380,206,465,536/1,209,744,121.40
  6. Step 6: Final answer
    x = 708,295,551.97

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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.