Home / 21,275,137,942.60-31,912,706,913.90-9,665,632,150.60

Finding the Fourth Proportional to 21,275,137,942.60, 31,912,706,913.90 and 9,665,632,150.60

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Solution

The fourth proportional to 21,275,137,942.60, 31,912,706,913.90 and 9,665,632,150.60 is: 14,498,448,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,137,942.60 : 31,912,706,913.90 = 9,665,632,150.60 : x
  2. Step 2: Convert to fraction form
    21,275,137,942.60/31,912,706,913.90 = 9,665,632,150.60/x
  3. Step 3: Cross multiply
    21,275,137,942.60x = 31,912,706,913.90 × 9,665,632,150.60
  4. Step 4: Simplify right side
    21,275,137,942.60x = 308,456,485,959,666,761,728
  5. Step 5: Solve for x
    x = 308,456,485,959,666,761,728/21,275,137,942.60
  6. Step 6: Final answer
    x = 14,498,448,225.90

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1.5x scale

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.