Home / 2,081,896,375.77-2,872,999,993.93-1,129,274,728.88

Finding the Fourth Proportional to 2,081,896,375.77, 2,872,999,993.93 and 1,129,274,728.88

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Solution

The fourth proportional to 2,081,896,375.77, 2,872,999,993.93 and 1,129,274,728.88 is: 1,558,389,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,896,375.77 : 2,872,999,993.93 = 1,129,274,728.88 : x
  2. Step 2: Convert to fraction form
    2,081,896,375.77/2,872,999,993.93 = 1,129,274,728.88/x
  3. Step 3: Cross multiply
    2,081,896,375.77x = 2,872,999,993.93 × 1,129,274,728.88
  4. Step 4: Simplify right side
    2,081,896,375.77x = 3,244,406,289,200,353,792
  5. Step 5: Solve for x
    x = 3,244,406,289,200,353,792/2,081,896,375.77
  6. Step 6: Final answer
    x = 1,558,389,902.09

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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.