Home / 408,147,339,720.20-612,221,009,580.30-408,147,339,720.20

Finding the Fourth Proportional to 408,147,339,720.20, 612,221,009,580.30 and 408,147,339,720.20

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Solution

The fourth proportional to 408,147,339,720.20, 612,221,009,580.30 and 408,147,339,720.20 is: 612,221,009,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,147,339,720.20 : 612,221,009,580.30 = 408,147,339,720.20 : x
  2. Step 2: Convert to fraction form
    408,147,339,720.20/612,221,009,580.30 = 408,147,339,720.20/x
  3. Step 3: Cross multiply
    408,147,339,720.20x = 612,221,009,580.30 × 408,147,339,720.20
  4. Step 4: Simplify right side
    408,147,339,720.20x = 249,876,376,381,014,545,530,880
  5. Step 5: Solve for x
    x = 249,876,376,381,014,545,530,880/408,147,339,720.20
  6. Step 6: Final answer
    x = 612,221,009,580.30

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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.