Home / 3,879,978,377.61-5,354,372,506.76-2,095,832,618.79

Finding the Fourth Proportional to 3,879,978,377.61, 5,354,372,506.76 and 2,095,832,618.79

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Solution

The fourth proportional to 3,879,978,377.61, 5,354,372,506.76 and 2,095,832,618.79 is: 2,892,250,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,978,377.61 : 5,354,372,506.76 = 2,095,832,618.79 : x
  2. Step 2: Convert to fraction form
    3,879,978,377.61/5,354,372,506.76 = 2,095,832,618.79/x
  3. Step 3: Cross multiply
    3,879,978,377.61x = 5,354,372,506.76 × 2,095,832,618.79
  4. Step 4: Simplify right side
    3,879,978,377.61x = 11,221,868,552,798,126,080
  5. Step 5: Solve for x
    x = 11,221,868,552,798,126,080/3,879,978,377.61
  6. Step 6: Final answer
    x = 2,892,250,280.97

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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.