Home / 31,611,007,770.67-47,419,298,786.36-8,921,563,968.88

Finding the Fourth Proportional to 31,611,007,770.67, 47,419,298,786.36 and 8,921,563,968.88

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Solution

The fourth proportional to 31,611,007,770.67, 47,419,298,786.36 and 8,921,563,968.88 is: 13,383,132,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611,007,770.67 : 47,419,298,786.36 = 8,921,563,968.88 : x
  2. Step 2: Convert to fraction form
    31,611,007,770.67/47,419,298,786.36 = 8,921,563,968.88/x
  3. Step 3: Cross multiply
    31,611,007,770.67x = 47,419,298,786.36 × 8,921,563,968.88
  4. Step 4: Simplify right side
    31,611,007,770.67x = 423,054,307,481,944,457,216
  5. Step 5: Solve for x
    x = 423,054,307,481,944,457,216/31,611,007,770.67
  6. Step 6: Final answer
    x = 13,383,132,564.17

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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.