Home / 1,040,229,261.54-1,435,508,793.45-570,322,831.86

Finding the Fourth Proportional to 1,040,229,261.54, 1,435,508,793.45 and 570,322,831.86

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Solution

The fourth proportional to 1,040,229,261.54, 1,435,508,793.45 and 570,322,831.86 is: 787,041,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,229,261.54 : 1,435,508,793.45 = 570,322,831.86 : x
  2. Step 2: Convert to fraction form
    1,040,229,261.54/1,435,508,793.45 = 570,322,831.86/x
  3. Step 3: Cross multiply
    1,040,229,261.54x = 1,435,508,793.45 × 570,322,831.86
  4. Step 4: Simplify right side
    1,040,229,261.54x = 818,703,440,240,335,872
  5. Step 5: Solve for x
    x = 818,703,440,240,335,872/1,040,229,261.54
  6. Step 6: Final answer
    x = 787,041,348.01

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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.