Home / 1,931,391,433.10-2,665,384,556.64-1,084,767,949.56

Finding the Fourth Proportional to 1,931,391,433.10, 2,665,384,556.64 and 1,084,767,949.56

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Solution

The fourth proportional to 1,931,391,433.10, 2,665,384,556.64 and 1,084,767,949.56 is: 1,497,015,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,391,433.10 : 2,665,384,556.64 = 1,084,767,949.56 : x
  2. Step 2: Convert to fraction form
    1,931,391,433.10/2,665,384,556.64 = 1,084,767,949.56/x
  3. Step 3: Cross multiply
    1,931,391,433.10x = 2,665,384,556.64 × 1,084,767,949.56
  4. Step 4: Simplify right side
    1,931,391,433.10x = 2,891,323,740,295,262,208
  5. Step 5: Solve for x
    x = 2,891,323,740,295,262,208/1,931,391,433.10
  6. Step 6: Final answer
    x = 1,497,015,928.90

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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.