Home / 601,720,327.00-830,022,249.87-378,348,367.39

Finding the Fourth Proportional to 601,720,327.00, 830,022,249.87 and 378,348,367.39

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Solution

The fourth proportional to 601,720,327.00, 830,022,249.87 and 378,348,367.39 is: 521,899,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,720,327.00 : 830,022,249.87 = 378,348,367.39 : x
  2. Step 2: Convert to fraction form
    601,720,327.00/830,022,249.87 = 378,348,367.39/x
  3. Step 3: Cross multiply
    601,720,327.00x = 830,022,249.87 × 378,348,367.39
  4. Step 4: Simplify right side
    601,720,327.00x = 314,037,563,131,539,008
  5. Step 5: Solve for x
    x = 314,037,563,131,539,008/601,720,327.00
  6. Step 6: Final answer
    x = 521,899,542.10

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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.