Home / 12,697,147,078.67-19,053,147,379.69-4,734,816,114.20

Finding the Fourth Proportional to 12,697,147,078.67, 19,053,147,379.69 and 4,734,816,114.20

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Solution

The fourth proportional to 12,697,147,078.67, 19,053,147,379.69 and 4,734,816,114.20 is: 7,104,993,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,147,078.67 : 19,053,147,379.69 = 4,734,816,114.20 : x
  2. Step 2: Convert to fraction form
    12,697,147,078.67/19,053,147,379.69 = 4,734,816,114.20/x
  3. Step 3: Cross multiply
    12,697,147,078.67x = 19,053,147,379.69 × 4,734,816,114.20
  4. Step 4: Simplify right side
    12,697,147,078.67x = 90,213,149,239,497,916,416
  5. Step 5: Solve for x
    x = 90,213,149,239,497,916,416/12,697,147,078.67
  6. Step 6: Final answer
    x = 7,104,993,639.95

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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.