Home / 1,347,408,006.20-2,021,112,009.30-766,932,716.60

Finding the Fourth Proportional to 1,347,408,006.20, 2,021,112,009.30 and 766,932,716.60

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Solution

The fourth proportional to 1,347,408,006.20, 2,021,112,009.30 and 766,932,716.60 is: 1,150,399,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,408,006.20 : 2,021,112,009.30 = 766,932,716.60 : x
  2. Step 2: Convert to fraction form
    1,347,408,006.20/2,021,112,009.30 = 766,932,716.60/x
  3. Step 3: Cross multiply
    1,347,408,006.20x = 2,021,112,009.30 × 766,932,716.60
  4. Step 4: Simplify right side
    1,347,408,006.20x = 1,550,056,923,845,333,504
  5. Step 5: Solve for x
    x = 1,550,056,923,845,333,504/1,347,408,006.20
  6. Step 6: Final answer
    x = 1,150,399,074.90

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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.