Home / 217,249,340.40-325,874,010.60-189,189,255.60

Finding the Fourth Proportional to 217,249,340.40, 325,874,010.60 and 189,189,255.60

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Solution

The fourth proportional to 217,249,340.40, 325,874,010.60 and 189,189,255.60 is: 283,783,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,249,340.40 : 325,874,010.60 = 189,189,255.60 : x
  2. Step 2: Convert to fraction form
    217,249,340.40/325,874,010.60 = 189,189,255.60/x
  3. Step 3: Cross multiply
    217,249,340.40x = 325,874,010.60 × 189,189,255.60
  4. Step 4: Simplify right side
    217,249,340.40x = 61,651,861,484,800,512
  5. Step 5: Solve for x
    x = 61,651,861,484,800,512/217,249,340.40
  6. Step 6: Final answer
    x = 283,783,883.40

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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.