Home / 386,277,831.76-534,467,082.60-336,821,334.16

Finding the Fourth Proportional to 386,277,831.76, 534,467,082.60 and 336,821,334.16

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Solution

The fourth proportional to 386,277,831.76, 534,467,082.60 and 336,821,334.16 is: 466,037,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,277,831.76 : 534,467,082.60 = 336,821,334.16 : x
  2. Step 2: Convert to fraction form
    386,277,831.76/534,467,082.60 = 336,821,334.16/x
  3. Step 3: Cross multiply
    386,277,831.76x = 534,467,082.60 × 336,821,334.16
  4. Step 4: Simplify right side
    386,277,831.76x = 180,019,915,825,934,944
  5. Step 5: Solve for x
    x = 180,019,915,825,934,944/386,277,831.76
  6. Step 6: Final answer
    x = 466,037,398.54

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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.