Home / 526,570,843.40-789,856,265.10-268,290,517.40

Finding the Fourth Proportional to 526,570,843.40, 789,856,265.10 and 268,290,517.40

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Solution

The fourth proportional to 526,570,843.40, 789,856,265.10 and 268,290,517.40 is: 402,435,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,570,843.40 : 789,856,265.10 = 268,290,517.40 : x
  2. Step 2: Convert to fraction form
    526,570,843.40/789,856,265.10 = 268,290,517.40/x
  3. Step 3: Cross multiply
    526,570,843.40x = 789,856,265.10 × 268,290,517.40
  4. Step 4: Simplify right side
    526,570,843.40x = 211,910,946,035,310,560
  5. Step 5: Solve for x
    x = 211,910,946,035,310,560/526,570,843.40
  6. Step 6: Final answer
    x = 402,435,776.10

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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.