Home / 722,238,016.16-1,083,015,513.66-279,787,927.52

Finding the Fourth Proportional to 722,238,016.16, 1,083,015,513.66 and 279,787,927.52

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Solution

The fourth proportional to 722,238,016.16, 1,083,015,513.66 and 279,787,927.52 is: 419,549,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,238,016.16 : 1,083,015,513.66 = 279,787,927.52 : x
  2. Step 2: Convert to fraction form
    722,238,016.16/1,083,015,513.66 = 279,787,927.52/x
  3. Step 3: Cross multiply
    722,238,016.16x = 1,083,015,513.66 × 279,787,927.52
  4. Step 4: Simplify right side
    722,238,016.16x = 303,014,666,038,939,648
  5. Step 5: Solve for x
    x = 303,014,666,038,939,648/722,238,016.16
  6. Step 6: Final answer
    x = 419,549,593.43

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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.