Home / 894,789,760.72-1,342,232,470.80-281,421,816.16

Finding the Fourth Proportional to 894,789,760.72, 1,342,232,470.80 and 281,421,816.16

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Solution

The fourth proportional to 894,789,760.72, 1,342,232,470.80 and 281,421,816.16 is: 422,147,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,789,760.72 : 1,342,232,470.80 = 281,421,816.16 : x
  2. Step 2: Convert to fraction form
    894,789,760.72/1,342,232,470.80 = 281,421,816.16/x
  3. Step 3: Cross multiply
    894,789,760.72x = 1,342,232,470.80 × 281,421,816.16
  4. Step 4: Simplify right side
    894,789,760.72x = 377,733,499,641,460,160
  5. Step 5: Solve for x
    x = 377,733,499,641,460,160/894,789,760.72
  6. Step 6: Final answer
    x = 422,147,767.24

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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.