Home / 725,550,399.46-1,088,314,662.42-326,427,103.92

Finding the Fourth Proportional to 725,550,399.46, 1,088,314,662.42 and 326,427,103.92

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Solution

The fourth proportional to 725,550,399.46, 1,088,314,662.42 and 326,427,103.92 is: 489,635,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,550,399.46 : 1,088,314,662.42 = 326,427,103.92 : x
  2. Step 2: Convert to fraction form
    725,550,399.46/1,088,314,662.42 = 326,427,103.92/x
  3. Step 3: Cross multiply
    725,550,399.46x = 1,088,314,662.42 × 326,427,103.92
  4. Step 4: Simplify right side
    725,550,399.46x = 355,255,403,407,433,088
  5. Step 5: Solve for x
    x = 355,255,403,407,433,088/725,550,399.46
  6. Step 6: Final answer
    x = 489,635,735.40

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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.