Home / 808,534,455.51-1,115,780,910.96-437,256,486.90

Finding the Fourth Proportional to 808,534,455.51, 1,115,780,910.96 and 437,256,486.90

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Solution

The fourth proportional to 808,534,455.51, 1,115,780,910.96 and 437,256,486.90 is: 603,415,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,534,455.51 : 1,115,780,910.96 = 437,256,486.90 : x
  2. Step 2: Convert to fraction form
    808,534,455.51/1,115,780,910.96 = 437,256,486.90/x
  3. Step 3: Cross multiply
    808,534,455.51x = 1,115,780,910.96 × 437,256,486.90
  4. Step 4: Simplify right side
    808,534,455.51x = 487,882,441,276,451,328
  5. Step 5: Solve for x
    x = 487,882,441,276,451,328/808,534,455.51
  6. Step 6: Final answer
    x = 603,415,770.29

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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.