Home / 1,992,907,977.80-2,750,296,561.40-1,146,135,961.36

Finding the Fourth Proportional to 1,992,907,977.80, 2,750,296,561.40 and 1,146,135,961.36

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Solution

The fourth proportional to 1,992,907,977.80, 2,750,296,561.40 and 1,146,135,961.36 is: 1,581,715,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,907,977.80 : 2,750,296,561.40 = 1,146,135,961.36 : x
  2. Step 2: Convert to fraction form
    1,992,907,977.80/2,750,296,561.40 = 1,146,135,961.36/x
  3. Step 3: Cross multiply
    1,992,907,977.80x = 2,750,296,561.40 × 1,146,135,961.36
  4. Step 4: Simplify right side
    1,992,907,977.80x = 3,152,213,793,425,291,264
  5. Step 5: Solve for x
    x = 3,152,213,793,425,291,264/1,992,907,977.80
  6. Step 6: Final answer
    x = 1,581,715,678.06

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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.