Home / 11,456,437,645.99-15,809,029,284.41-6,443,216,518.33

Finding the Fourth Proportional to 11,456,437,645.99, 15,809,029,284.41 and 6,443,216,518.33

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Solution

The fourth proportional to 11,456,437,645.99, 15,809,029,284.41 and 6,443,216,518.33 is: 8,891,158,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456,437,645.99 : 15,809,029,284.41 = 6,443,216,518.33 : x
  2. Step 2: Convert to fraction form
    11,456,437,645.99/15,809,029,284.41 = 6,443,216,518.33/x
  3. Step 3: Cross multiply
    11,456,437,645.99x = 15,809,029,284.41 × 6,443,216,518.33
  4. Step 4: Simplify right side
    11,456,437,645.99x = 101,860,998,624,040,992,768
  5. Step 5: Solve for x
    x = 101,860,998,624,040,992,768/11,456,437,645.99
  6. Step 6: Final answer
    x = 8,891,158,121.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.