Home / 10,991,223,869.00-15,129,595,532.82-9,579,100,101.44

Finding the Fourth Proportional to 10,991,223,869.00, 15,129,595,532.82 and 9,579,100,101.44

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Solution

The fourth proportional to 10,991,223,869.00, 15,129,595,532.82 and 9,579,100,101.44 is: 13,185,784,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,223,869.00 : 15,129,595,532.82 = 9,579,100,101.44 : x
  2. Step 2: Convert to fraction form
    10,991,223,869.00/15,129,595,532.82 = 9,579,100,101.44/x
  3. Step 3: Cross multiply
    10,991,223,869.00x = 15,129,595,532.82 × 9,579,100,101.44
  4. Step 4: Simplify right side
    10,991,223,869.00x = 144,927,910,103,220,043,776
  5. Step 5: Solve for x
    x = 144,927,910,103,220,043,776/10,991,223,869.00
  6. Step 6: Final answer
    x = 13,185,784,570.54

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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.