Home / 511,631,875.20-706,282,562.88-326,242,081.92

Finding the Fourth Proportional to 511,631,875.20, 706,282,562.88 and 326,242,081.92

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Solution

The fourth proportional to 511,631,875.20, 706,282,562.88 and 326,242,081.92 is: 450,361,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,631,875.20 : 706,282,562.88 = 326,242,081.92 : x
  2. Step 2: Convert to fraction form
    511,631,875.20/706,282,562.88 = 326,242,081.92/x
  3. Step 3: Cross multiply
    511,631,875.20x = 706,282,562.88 × 326,242,081.92
  4. Step 4: Simplify right side
    511,631,875.20x = 230,419,093,737,764,512
  5. Step 5: Solve for x
    x = 230,419,093,737,764,512/511,631,875.20
  6. Step 6: Final answer
    x = 450,361,099.27

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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.