Home / 1,702,300,938.80-2,551,467,361.80-782,270,279.60

Finding the Fourth Proportional to 1,702,300,938.80, 2,551,467,361.80 and 782,270,279.60

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Solution

The fourth proportional to 1,702,300,938.80, 2,551,467,361.80 and 782,270,279.60 is: 1,172,493,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,300,938.80 : 2,551,467,361.80 = 782,270,279.60 : x
  2. Step 2: Convert to fraction form
    1,702,300,938.80/2,551,467,361.80 = 782,270,279.60/x
  3. Step 3: Cross multiply
    1,702,300,938.80x = 2,551,467,361.80 × 782,270,279.60
  4. Step 4: Simplify right side
    1,702,300,938.80x = 1,995,937,086,505,560,576
  5. Step 5: Solve for x
    x = 1,995,937,086,505,560,576/1,702,300,938.80
  6. Step 6: Final answer
    x = 1,172,493,676.65

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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.