Home / 38,595,620,868.93-53,263,250,122.37-21,449,196,715.32

Finding the Fourth Proportional to 38,595,620,868.93, 53,263,250,122.37 and 21,449,196,715.32

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Solution

The fourth proportional to 38,595,620,868.93, 53,263,250,122.37 and 21,449,196,715.32 is: 29,600,610,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595,620,868.93 : 53,263,250,122.37 = 21,449,196,715.32 : x
  2. Step 2: Convert to fraction form
    38,595,620,868.93/53,263,250,122.37 = 21,449,196,715.32/x
  3. Step 3: Cross multiply
    38,595,620,868.93x = 53,263,250,122.37 × 21,449,196,715.32
  4. Step 4: Simplify right side
    38,595,620,868.93x = 1,142,453,929,571,920,379,904
  5. Step 5: Solve for x
    x = 1,142,453,929,571,920,379,904/38,595,620,868.93
  6. Step 6: Final answer
    x = 29,600,610,220.82

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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.