Home / 3,172,978,790.26-4,374,095,838.32-2,217,392,698.30

Finding the Fourth Proportional to 3,172,978,790.26, 4,374,095,838.32 and 2,217,392,698.30

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Solution

The fourth proportional to 3,172,978,790.26, 4,374,095,838.32 and 2,217,392,698.30 is: 3,056,776,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,978,790.26 : 4,374,095,838.32 = 2,217,392,698.30 : x
  2. Step 2: Convert to fraction form
    3,172,978,790.26/4,374,095,838.32 = 2,217,392,698.30/x
  3. Step 3: Cross multiply
    3,172,978,790.26x = 4,374,095,838.32 × 2,217,392,698.30
  4. Step 4: Simplify right side
    3,172,978,790.26x = 9,699,088,173,522,227,200
  5. Step 5: Solve for x
    x = 9,699,088,173,522,227,200/3,172,978,790.26
  6. Step 6: Final answer
    x = 3,056,776,869.52

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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.