Home / 13,905,061,626.69-19,189,489,650.03-7,965,762,041.25

Finding the Fourth Proportional to 13,905,061,626.69, 19,189,489,650.03 and 7,965,762,041.25

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Solution

The fourth proportional to 13,905,061,626.69, 19,189,489,650.03 and 7,965,762,041.25 is: 10,993,040,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,061,626.69 : 19,189,489,650.03 = 7,965,762,041.25 : x
  2. Step 2: Convert to fraction form
    13,905,061,626.69/19,189,489,650.03 = 7,965,762,041.25/x
  3. Step 3: Cross multiply
    13,905,061,626.69x = 19,189,489,650.03 × 7,965,762,041.25
  4. Step 4: Simplify right side
    13,905,061,626.69x = 152,858,908,245,168,717,824
  5. Step 5: Solve for x
    x = 152,858,908,245,168,717,824/13,905,061,626.69
  6. Step 6: Final answer
    x = 10,993,040,688.99

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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.