Home / 1,772,928,611.20-2,659,392,916.80-1,688,275,964.80

Finding the Fourth Proportional to 1,772,928,611.20, 2,659,392,916.80 and 1,688,275,964.80

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Solution

The fourth proportional to 1,772,928,611.20, 2,659,392,916.80 and 1,688,275,964.80 is: 2,532,413,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,928,611.20 : 2,659,392,916.80 = 1,688,275,964.80 : x
  2. Step 2: Convert to fraction form
    1,772,928,611.20/2,659,392,916.80 = 1,688,275,964.80/x
  3. Step 3: Cross multiply
    1,772,928,611.20x = 2,659,392,916.80 × 1,688,275,964.80
  4. Step 4: Simplify right side
    1,772,928,611.20x = 4,489,789,142,392,806,400
  5. Step 5: Solve for x
    x = 4,489,789,142,392,806,400/1,772,928,611.20
  6. Step 6: Final answer
    x = 2,532,413,947.20

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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.