Home / 405,261,831.24-559,261,805.49-219,622,846.93

Finding the Fourth Proportional to 405,261,831.24, 559,261,805.49 and 219,622,846.93

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Solution

The fourth proportional to 405,261,831.24, 559,261,805.49 and 219,622,846.93 is: 303,079,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,831.24 : 559,261,805.49 = 219,622,846.93 : x
  2. Step 2: Convert to fraction form
    405,261,831.24/559,261,805.49 = 219,622,846.93/x
  3. Step 3: Cross multiply
    405,261,831.24x = 559,261,805.49 × 219,622,846.93
  4. Step 4: Simplify right side
    405,261,831.24x = 122,826,669,900,925,712
  5. Step 5: Solve for x
    x = 122,826,669,900,925,712/405,261,831.24
  6. Step 6: Final answer
    x = 303,079,788.01

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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.