Home / 20,880,922,550.88-31,320,534,405.78-5,159,351,277.84

Finding the Fourth Proportional to 20,880,922,550.88, 31,320,534,405.78 and 5,159,351,277.84

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Solution

The fourth proportional to 20,880,922,550.88, 31,320,534,405.78 and 5,159,351,277.84 is: 7,738,817,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,880,922,550.88 : 31,320,534,405.78 = 5,159,351,277.84 : x
  2. Step 2: Convert to fraction form
    20,880,922,550.88/31,320,534,405.78 = 5,159,351,277.84/x
  3. Step 3: Cross multiply
    20,880,922,550.88x = 31,320,534,405.78 × 5,159,351,277.84
  4. Step 4: Simplify right side
    20,880,922,550.88x = 161,593,639,209,092,710,400
  5. Step 5: Solve for x
    x = 161,593,639,209,092,710,400/20,880,922,550.88
  6. Step 6: Final answer
    x = 7,738,817,038.15

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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.