Home / 306,218,223,986.40-459,327,335,979.60-82,627,815,549.60

Finding the Fourth Proportional to 306,218,223,986.40, 459,327,335,979.60 and 82,627,815,549.60

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Solution

The fourth proportional to 306,218,223,986.40, 459,327,335,979.60 and 82,627,815,549.60 is: 123,941,723,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,218,223,986.40 : 459,327,335,979.60 = 82,627,815,549.60 : x
  2. Step 2: Convert to fraction form
    306,218,223,986.40/459,327,335,979.60 = 82,627,815,549.60/x
  3. Step 3: Cross multiply
    306,218,223,986.40x = 459,327,335,979.60 × 82,627,815,549.60
  4. Step 4: Simplify right side
    306,218,223,986.40x = 37,953,214,394,211,537,780,736
  5. Step 5: Solve for x
    x = 37,953,214,394,211,537,780,736/306,218,223,986.40
  6. Step 6: Final answer
    x = 123,941,723,324.40

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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.