Home / 408,147,339,700.20-612,221,009,550.30-408,147,339,700.20

Finding the Fourth Proportional to 408,147,339,700.20, 612,221,009,550.30 and 408,147,339,700.20

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Solution

The fourth proportional to 408,147,339,700.20, 612,221,009,550.30 and 408,147,339,700.20 is: 612,221,009,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,147,339,700.20 : 612,221,009,550.30 = 408,147,339,700.20 : x
  2. Step 2: Convert to fraction form
    408,147,339,700.20/612,221,009,550.30 = 408,147,339,700.20/x
  3. Step 3: Cross multiply
    408,147,339,700.20x = 612,221,009,550.30 × 408,147,339,700.20
  4. Step 4: Simplify right side
    408,147,339,700.20x = 249,876,376,356,525,715,750,912
  5. Step 5: Solve for x
    x = 249,876,376,356,525,715,750,912/408,147,339,700.20
  6. Step 6: Final answer
    x = 612,221,009,550.30

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Double scale
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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.