Home / 1,921,796,091.20-2,882,694,136.80-1,600,380,574.40

Finding the Fourth Proportional to 1,921,796,091.20, 2,882,694,136.80 and 1,600,380,574.40

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Solution

The fourth proportional to 1,921,796,091.20, 2,882,694,136.80 and 1,600,380,574.40 is: 2,400,570,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,796,091.20 : 2,882,694,136.80 = 1,600,380,574.40 : x
  2. Step 2: Convert to fraction form
    1,921,796,091.20/2,882,694,136.80 = 1,600,380,574.40/x
  3. Step 3: Cross multiply
    1,921,796,091.20x = 2,882,694,136.80 × 1,600,380,574.40
  4. Step 4: Simplify right side
    1,921,796,091.20x = 4,613,407,698,471,496,704
  5. Step 5: Solve for x
    x = 4,613,407,698,471,496,704/1,921,796,091.20
  6. Step 6: Final answer
    x = 2,400,570,861.60

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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.