Home / 217,089,446.80-325,634,170.20-215,577,792.40

Finding the Fourth Proportional to 217,089,446.80, 325,634,170.20 and 215,577,792.40

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Solution

The fourth proportional to 217,089,446.80, 325,634,170.20 and 215,577,792.40 is: 323,366,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,089,446.80 : 325,634,170.20 = 215,577,792.40 : x
  2. Step 2: Convert to fraction form
    217,089,446.80/325,634,170.20 = 215,577,792.40/x
  3. Step 3: Cross multiply
    217,089,446.80x = 325,634,170.20 × 215,577,792.40
  4. Step 4: Simplify right side
    217,089,446.80x = 70,199,495,541,721,864
  5. Step 5: Solve for x
    x = 70,199,495,541,721,864/217,089,446.80
  6. Step 6: Final answer
    x = 323,366,688.60

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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.