Home / 20,852,276,747.73-28,782,266,054.94-13,619,429,953.26

Finding the Fourth Proportional to 20,852,276,747.73, 28,782,266,054.94 and 13,619,429,953.26

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Solution

The fourth proportional to 20,852,276,747.73, 28,782,266,054.94 and 13,619,429,953.26 is: 18,798,813,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,276,747.73 : 28,782,266,054.94 = 13,619,429,953.26 : x
  2. Step 2: Convert to fraction form
    20,852,276,747.73/28,782,266,054.94 = 13,619,429,953.26/x
  3. Step 3: Cross multiply
    20,852,276,747.73x = 28,782,266,054.94 × 13,619,429,953.26
  4. Step 4: Simplify right side
    20,852,276,747.73x = 391,998,056,431,348,350,976
  5. Step 5: Solve for x
    x = 391,998,056,431,348,350,976/20,852,276,747.73
  6. Step 6: Final answer
    x = 18,798,813,250.65

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1.5x scale

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.