Home / 680,365,353.48-1,019,718,923.94-352,660,199.64

Finding the Fourth Proportional to 680,365,353.48, 1,019,718,923.94 and 352,660,199.64

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Solution

The fourth proportional to 680,365,353.48, 1,019,718,923.94 and 352,660,199.64 is: 528,560,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,365,353.48 : 1,019,718,923.94 = 352,660,199.64 : x
  2. Step 2: Convert to fraction form
    680,365,353.48/1,019,718,923.94 = 352,660,199.64/x
  3. Step 3: Cross multiply
    680,365,353.48x = 1,019,718,923.94 × 352,660,199.64
  4. Step 4: Simplify right side
    680,365,353.48x = 359,614,279,293,366,400
  5. Step 5: Solve for x
    x = 359,614,279,293,366,400/680,365,353.48
  6. Step 6: Final answer
    x = 528,560,540.97

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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.