Home / 658,145,514.60-987,218,271.90-270,246,728.70

Finding the Fourth Proportional to 658,145,514.60, 987,218,271.90 and 270,246,728.70

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Solution

The fourth proportional to 658,145,514.60, 987,218,271.90 and 270,246,728.70 is: 405,370,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,145,514.60 : 987,218,271.90 = 270,246,728.70 : x
  2. Step 2: Convert to fraction form
    658,145,514.60/987,218,271.90 = 270,246,728.70/x
  3. Step 3: Cross multiply
    658,145,514.60x = 987,218,271.90 × 270,246,728.70
  4. Step 4: Simplify right side
    658,145,514.60x = 266,792,508,493,842,112
  5. Step 5: Solve for x
    x = 266,792,508,493,842,112/658,145,514.60
  6. Step 6: Final answer
    x = 405,370,093.05

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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.