Home / 38,595,620,869.93-53,263,250,123.75-21,449,196,716.32

Finding the Fourth Proportional to 38,595,620,869.93, 53,263,250,123.75 and 21,449,196,716.32

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Solution

The fourth proportional to 38,595,620,869.93, 53,263,250,123.75 and 21,449,196,716.32 is: 29,600,610,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595,620,869.93 : 53,263,250,123.75 = 21,449,196,716.32 : x
  2. Step 2: Convert to fraction form
    38,595,620,869.93/53,263,250,123.75 = 21,449,196,716.32/x
  3. Step 3: Cross multiply
    38,595,620,869.93x = 53,263,250,123.75 × 21,449,196,716.32
  4. Step 4: Simplify right side
    38,595,620,869.93x = 1,142,453,929,654,869,295,104
  5. Step 5: Solve for x
    x = 1,142,453,929,654,869,295,104/38,595,620,869.93
  6. Step 6: Final answer
    x = 29,600,610,222.21

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Double scale
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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.