Home / 1,122,665,561.70-1,682,810,810.70-422,854,911.84

Finding the Fourth Proportional to 1,122,665,561.70, 1,682,810,810.70 and 422,854,911.84

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Solution

The fourth proportional to 1,122,665,561.70, 1,682,810,810.70 and 422,854,911.84 is: 633,835,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,665,561.70 : 1,682,810,810.70 = 422,854,911.84 : x
  2. Step 2: Convert to fraction form
    1,122,665,561.70/1,682,810,810.70 = 422,854,911.84/x
  3. Step 3: Cross multiply
    1,122,665,561.70x = 1,682,810,810.70 × 422,854,911.84
  4. Step 4: Simplify right side
    1,122,665,561.70x = 711,584,817,001,947,392
  5. Step 5: Solve for x
    x = 711,584,817,001,947,392/1,122,665,561.70
  6. Step 6: Final answer
    x = 633,835,080.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.