Home / 526,538,707.20-789,808,060.80-254,440,915.20

Finding the Fourth Proportional to 526,538,707.20, 789,808,060.80 and 254,440,915.20

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Solution

The fourth proportional to 526,538,707.20, 789,808,060.80 and 254,440,915.20 is: 381,661,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,538,707.20 : 789,808,060.80 = 254,440,915.20 : x
  2. Step 2: Convert to fraction form
    526,538,707.20/789,808,060.80 = 254,440,915.20/x
  3. Step 3: Cross multiply
    526,538,707.20x = 789,808,060.80 × 254,440,915.20
  4. Step 4: Simplify right side
    526,538,707.20x = 200,959,485,822,289,216
  5. Step 5: Solve for x
    x = 200,959,485,822,289,216/526,538,707.20
  6. Step 6: Final answer
    x = 381,661,372.80

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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.