Home / 774,507,546.70-1,162,104,394.82-405,954,910.86

Finding the Fourth Proportional to 774,507,546.70, 1,162,104,394.82 and 405,954,910.86

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Solution

The fourth proportional to 774,507,546.70, 1,162,104,394.82 and 405,954,910.86 is: 609,112,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,507,546.70 : 1,162,104,394.82 = 405,954,910.86 : x
  2. Step 2: Convert to fraction form
    774,507,546.70/1,162,104,394.82 = 405,954,910.86/x
  3. Step 3: Cross multiply
    774,507,546.70x = 1,162,104,394.82 × 405,954,910.86
  4. Step 4: Simplify right side
    774,507,546.70x = 471,761,986,009,167,360
  5. Step 5: Solve for x
    x = 471,761,986,009,167,360/774,507,546.70
  6. Step 6: Final answer
    x = 609,112,187.50

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1.5x scale

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.