Home / 39,594,505,530.60-54,640,701,878.58-21,529,892,295.72

Finding the Fourth Proportional to 39,594,505,530.60, 54,640,701,878.58 and 21,529,892,295.72

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Solution

The fourth proportional to 39,594,505,530.60, 54,640,701,878.58 and 21,529,892,295.72 is: 29,711,405,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,594,505,530.60 : 54,640,701,878.58 = 21,529,892,295.72 : x
  2. Step 2: Convert to fraction form
    39,594,505,530.60/54,640,701,878.58 = 21,529,892,295.72/x
  3. Step 3: Cross multiply
    39,594,505,530.60x = 54,640,701,878.58 × 21,529,892,295.72
  4. Step 4: Simplify right side
    39,594,505,530.60x = 1,176,408,426,408,372,994,048
  5. Step 5: Solve for x
    x = 1,176,408,426,408,372,994,048/39,594,505,530.60
  6. Step 6: Final answer
    x = 29,711,405,929.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.