Home / 894,789,728.76-1,342,232,422.82-281,421,784.20

Finding the Fourth Proportional to 894,789,728.76, 1,342,232,422.82 and 281,421,784.20

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Solution

The fourth proportional to 894,789,728.76, 1,342,232,422.82 and 281,421,784.20 is: 422,147,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,789,728.76 : 1,342,232,422.82 = 281,421,784.20 : x
  2. Step 2: Convert to fraction form
    894,789,728.76/1,342,232,422.82 = 281,421,784.20/x
  3. Step 3: Cross multiply
    894,789,728.76x = 1,342,232,422.82 × 281,421,784.20
  4. Step 4: Simplify right side
    894,789,728.76x = 377,733,443,241,093,184
  5. Step 5: Solve for x
    x = 377,733,443,241,093,184/894,789,728.76
  6. Step 6: Final answer
    x = 422,147,719.29

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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.