Home / 11,796,810,100.65-16,283,477,537.92-9,389,907,611.51

Finding the Fourth Proportional to 11,796,810,100.65, 16,283,477,537.92 and 9,389,907,611.51

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Solution

The fourth proportional to 11,796,810,100.65, 16,283,477,537.92 and 9,389,907,611.51 is: 12,961,160,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796,810,100.65 : 16,283,477,537.92 = 9,389,907,611.51 : x
  2. Step 2: Convert to fraction form
    11,796,810,100.65/16,283,477,537.92 = 9,389,907,611.51/x
  3. Step 3: Cross multiply
    11,796,810,100.65x = 16,283,477,537.92 × 9,389,907,611.51
  4. Step 4: Simplify right side
    11,796,810,100.65x = 152,900,349,675,038,736,384
  5. Step 5: Solve for x
    x = 152,900,349,675,038,736,384/11,796,810,100.65
  6. Step 6: Final answer
    x = 12,961,160,548.53

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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.