Home / 13,859,308,816.80-20,788,736,045.64-4,415,824,367.33

Finding the Fourth Proportional to 13,859,308,816.80, 20,788,736,045.64 and 4,415,824,367.33

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Solution

The fourth proportional to 13,859,308,816.80, 20,788,736,045.64 and 4,415,824,367.33 is: 6,623,664,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859,308,816.80 : 20,788,736,045.64 = 4,415,824,367.33 : x
  2. Step 2: Convert to fraction form
    13,859,308,816.80/20,788,736,045.64 = 4,415,824,367.33/x
  3. Step 3: Cross multiply
    13,859,308,816.80x = 20,788,736,045.64 × 4,415,824,367.33
  4. Step 4: Simplify right side
    13,859,308,816.80x = 91,799,407,196,224,667,648
  5. Step 5: Solve for x
    x = 91,799,407,196,224,667,648/13,859,308,816.80
  6. Step 6: Final answer
    x = 6,623,664,167.51

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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.