Home / 511,215,831.60-766,043,377.11-303,545,280.84

Finding the Fourth Proportional to 511,215,831.60, 766,043,377.11 and 303,545,280.84

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Solution

The fourth proportional to 511,215,831.60, 766,043,377.11 and 303,545,280.84 is: 454,854,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,215,831.60 : 766,043,377.11 = 303,545,280.84 : x
  2. Step 2: Convert to fraction form
    511,215,831.60/766,043,377.11 = 303,545,280.84/x
  3. Step 3: Cross multiply
    511,215,831.60x = 766,043,377.11 × 303,545,280.84
  4. Step 4: Simplify right side
    511,215,831.60x = 232,528,852,040,476,960
  5. Step 5: Solve for x
    x = 232,528,852,040,476,960/511,215,831.60
  6. Step 6: Final answer
    x = 454,854,559.79

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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.