Home / 690,214,882.93-1,035,467,749.08-223,839,941.64

Finding the Fourth Proportional to 690,214,882.93, 1,035,467,749.08 and 223,839,941.64

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Solution

The fourth proportional to 690,214,882.93, 1,035,467,749.08 and 223,839,941.64 is: 335,807,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,214,882.93 : 1,035,467,749.08 = 223,839,941.64 : x
  2. Step 2: Convert to fraction form
    690,214,882.93/1,035,467,749.08 = 223,839,941.64/x
  3. Step 3: Cross multiply
    690,214,882.93x = 1,035,467,749.08 × 223,839,941.64
  4. Step 4: Simplify right side
    690,214,882.93x = 231,779,040,524,169,344
  5. Step 5: Solve for x
    x = 231,779,040,524,169,344/690,214,882.93
  6. Step 6: Final answer
    x = 335,807,074.37

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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.