Home / 39,167,860,974.39-58,763,318,416.88-12,637,879,843.95

Finding the Fourth Proportional to 39,167,860,974.39, 58,763,318,416.88 and 12,637,879,843.95

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Solution

The fourth proportional to 39,167,860,974.39, 58,763,318,416.88 and 12,637,879,843.95 is: 18,960,539,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167,860,974.39 : 58,763,318,416.88 = 12,637,879,843.95 : x
  2. Step 2: Convert to fraction form
    39,167,860,974.39/58,763,318,416.88 = 12,637,879,843.95/x
  3. Step 3: Cross multiply
    39,167,860,974.39x = 58,763,318,416.88 × 12,637,879,843.95
  4. Step 4: Simplify right side
    39,167,860,974.39x = 742,643,757,384,240,463,872
  5. Step 5: Solve for x
    x = 742,643,757,384,240,463,872/39,167,860,974.39
  6. Step 6: Final answer
    x = 18,960,539,046.79

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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.