Home / 217,778,408.40-326,667,612.60-168,460,683.60

Finding the Fourth Proportional to 217,778,408.40, 326,667,612.60 and 168,460,683.60

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Solution

The fourth proportional to 217,778,408.40, 326,667,612.60 and 168,460,683.60 is: 252,691,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,778,408.40 : 326,667,612.60 = 168,460,683.60 : x
  2. Step 2: Convert to fraction form
    217,778,408.40/326,667,612.60 = 168,460,683.60/x
  3. Step 3: Cross multiply
    217,778,408.40x = 326,667,612.60 × 168,460,683.60
  4. Step 4: Simplify right side
    217,778,408.40x = 55,030,649,328,575,976
  5. Step 5: Solve for x
    x = 55,030,649,328,575,976/217,778,408.40
  6. Step 6: Final answer
    x = 252,691,025.40

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1.5x scale

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.