Home / 13,859,308,812.91-20,788,736,039.80-4,415,824,363.42

Finding the Fourth Proportional to 13,859,308,812.91, 20,788,736,039.80 and 4,415,824,363.42

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Solution

The fourth proportional to 13,859,308,812.91, 20,788,736,039.80 and 4,415,824,363.42 is: 6,623,664,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859,308,812.91 : 20,788,736,039.80 = 4,415,824,363.42 : x
  2. Step 2: Convert to fraction form
    13,859,308,812.91/20,788,736,039.80 = 4,415,824,363.42/x
  3. Step 3: Cross multiply
    13,859,308,812.91x = 20,788,736,039.80 × 4,415,824,363.42
  4. Step 4: Simplify right side
    13,859,308,812.91x = 91,799,407,089,296,523,264
  5. Step 5: Solve for x
    x = 91,799,407,089,296,523,264/13,859,308,812.91
  6. Step 6: Final answer
    x = 6,623,664,161.65

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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.