Home / 12,531,653,438.36-18,795,436,800.91-3,686,423,670.25

Finding the Fourth Proportional to 12,531,653,438.36, 18,795,436,800.91 and 3,686,423,670.25

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Solution

The fourth proportional to 12,531,653,438.36, 18,795,436,800.91 and 3,686,423,670.25 is: 5,529,034,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,653,438.36 : 18,795,436,800.91 = 3,686,423,670.25 : x
  2. Step 2: Convert to fraction form
    12,531,653,438.36/18,795,436,800.91 = 3,686,423,670.25/x
  3. Step 3: Cross multiply
    12,531,653,438.36x = 18,795,436,800.91 × 3,686,423,670.25
  4. Step 4: Simplify right side
    12,531,653,438.36x = 69,287,943,115,508,203,520
  5. Step 5: Solve for x
    x = 69,287,943,115,508,203,520/12,531,653,438.36
  6. Step 6: Final answer
    x = 5,529,034,413.24

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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.