Home / 859,369,831.65-1,289,054,847.35-269,206,060.55

Finding the Fourth Proportional to 859,369,831.65, 1,289,054,847.35 and 269,206,060.55

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Solution

The fourth proportional to 859,369,831.65, 1,289,054,847.35 and 269,206,060.55 is: 403,809,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,369,831.65 : 1,289,054,847.35 = 269,206,060.55 : x
  2. Step 2: Convert to fraction form
    859,369,831.65/1,289,054,847.35 = 269,206,060.55/x
  3. Step 3: Cross multiply
    859,369,831.65x = 1,289,054,847.35 × 269,206,060.55
  4. Step 4: Simplify right side
    859,369,831.65x = 347,021,377,282,202,880
  5. Step 5: Solve for x
    x = 347,021,377,282,202,880/859,369,831.65
  6. Step 6: Final answer
    x = 403,809,122.11

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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.