Home / 217,823,506.60-326,735,259.90-216,548,048.20

Finding the Fourth Proportional to 217,823,506.60, 326,735,259.90 and 216,548,048.20

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Solution

The fourth proportional to 217,823,506.60, 326,735,259.90 and 216,548,048.20 is: 324,822,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,823,506.60 : 326,735,259.90 = 216,548,048.20 : x
  2. Step 2: Convert to fraction form
    217,823,506.60/326,735,259.90 = 216,548,048.20/x
  3. Step 3: Cross multiply
    217,823,506.60x = 326,735,259.90 × 216,548,048.20
  4. Step 4: Simplify right side
    217,823,506.60x = 70,753,882,809,464,720
  5. Step 5: Solve for x
    x = 70,753,882,809,464,720/217,823,506.60
  6. Step 6: Final answer
    x = 324,822,072.30

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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.