Home / 3,172,978,765.69-4,374,095,804.61-2,217,392,673.80

Finding the Fourth Proportional to 3,172,978,765.69, 4,374,095,804.61 and 2,217,392,673.80

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Solution

The fourth proportional to 3,172,978,765.69, 4,374,095,804.61 and 2,217,392,673.80 is: 3,056,776,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,978,765.69 : 4,374,095,804.61 = 2,217,392,673.80 : x
  2. Step 2: Convert to fraction form
    3,172,978,765.69/4,374,095,804.61 = 2,217,392,673.80/x
  3. Step 3: Cross multiply
    3,172,978,765.69x = 4,374,095,804.61 × 2,217,392,673.80
  4. Step 4: Simplify right side
    3,172,978,765.69x = 9,699,087,991,611,457,536
  5. Step 5: Solve for x
    x = 9,699,087,991,611,457,536/3,172,978,765.69
  6. Step 6: Final answer
    x = 3,056,776,835.85

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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.