Home / 690,019,262.88-1,034,424,232.56-259,500,089.76

Finding the Fourth Proportional to 690,019,262.88, 1,034,424,232.56 and 259,500,089.76

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Solution

The fourth proportional to 690,019,262.88, 1,034,424,232.56 and 259,500,089.76 is: 389,022,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,019,262.88 : 1,034,424,232.56 = 259,500,089.76 : x
  2. Step 2: Convert to fraction form
    690,019,262.88/1,034,424,232.56 = 259,500,089.76/x
  3. Step 3: Cross multiply
    690,019,262.88x = 1,034,424,232.56 × 259,500,089.76
  4. Step 4: Simplify right side
    690,019,262.88x = 268,433,181,199,239,104
  5. Step 5: Solve for x
    x = 268,433,181,199,239,104/690,019,262.88
  6. Step 6: Final answer
    x = 389,022,735.51

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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.