Home / 2,892,042,236.25-3,990,739,412.03-1,621,934,782.65

Finding the Fourth Proportional to 2,892,042,236.25, 3,990,739,412.03 and 1,621,934,782.65

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Solution

The fourth proportional to 2,892,042,236.25, 3,990,739,412.03 and 1,621,934,782.65 is: 2,238,113,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,042,236.25 : 3,990,739,412.03 = 1,621,934,782.65 : x
  2. Step 2: Convert to fraction form
    2,892,042,236.25/3,990,739,412.03 = 1,621,934,782.65/x
  3. Step 3: Cross multiply
    2,892,042,236.25x = 3,990,739,412.03 × 1,621,934,782.65
  4. Step 4: Simplify right side
    2,892,042,236.25x = 6,472,719,060,855,558,144
  5. Step 5: Solve for x
    x = 6,472,719,060,855,558,144/2,892,042,236.25
  6. Step 6: Final answer
    x = 2,238,113,600.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.