Home / 12,991,579,834.65-17,925,307,362.57-7,352,795,684.11

Finding the Fourth Proportional to 12,991,579,834.65, 17,925,307,362.57 and 7,352,795,684.11

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Solution

The fourth proportional to 12,991,579,834.65, 17,925,307,362.57 and 7,352,795,684.11 is: 10,145,118,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,579,834.65 : 17,925,307,362.57 = 7,352,795,684.11 : x
  2. Step 2: Convert to fraction form
    12,991,579,834.65/17,925,307,362.57 = 7,352,795,684.11/x
  3. Step 3: Cross multiply
    12,991,579,834.65x = 17,925,307,362.57 × 7,352,795,684.11
  4. Step 4: Simplify right side
    12,991,579,834.65x = 131,801,122,611,840,942,080
  5. Step 5: Solve for x
    x = 131,801,122,611,840,942,080/12,991,579,834.65
  6. Step 6: Final answer
    x = 10,145,118,937.75

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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.