Home / 693,362,012.80-1,040,043,019.20-233,147,228.80

Finding the Fourth Proportional to 693,362,012.80, 1,040,043,019.20 and 233,147,228.80

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Solution

The fourth proportional to 693,362,012.80, 1,040,043,019.20 and 233,147,228.80 is: 349,720,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,362,012.80 : 1,040,043,019.20 = 233,147,228.80 : x
  2. Step 2: Convert to fraction form
    693,362,012.80/1,040,043,019.20 = 233,147,228.80/x
  3. Step 3: Cross multiply
    693,362,012.80x = 1,040,043,019.20 × 233,147,228.80
  4. Step 4: Simplify right side
    693,362,012.80x = 242,483,147,759,265,216
  5. Step 5: Solve for x
    x = 242,483,147,759,265,216/693,362,012.80
  6. Step 6: Final answer
    x = 349,720,843.20

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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.