Home / 12,571,355,678.48-18,841,505,868.14-10,788,192,343.43

Finding the Fourth Proportional to 12,571,355,678.48, 18,841,505,868.14 and 10,788,192,343.43

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Solution

The fourth proportional to 12,571,355,678.48, 18,841,505,868.14 and 10,788,192,343.43 is: 16,168,963,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,355,678.48 : 18,841,505,868.14 = 10,788,192,343.43 : x
  2. Step 2: Convert to fraction form
    12,571,355,678.48/18,841,505,868.14 = 10,788,192,343.43/x
  3. Step 3: Cross multiply
    12,571,355,678.48x = 18,841,505,868.14 × 10,788,192,343.43
  4. Step 4: Simplify right side
    12,571,355,678.48x = 203,265,789,345,211,187,200
  5. Step 5: Solve for x
    x = 203,265,789,345,211,187,200/12,571,355,678.48
  6. Step 6: Final answer
    x = 16,168,963,359.56

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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.