Home / 910,245,464.82-1,365,368,860.89-220,153,383.36

Finding the Fourth Proportional to 910,245,464.82, 1,365,368,860.89 and 220,153,383.36

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Solution

The fourth proportional to 910,245,464.82, 1,365,368,860.89 and 220,153,383.36 is: 330,230,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,245,464.82 : 1,365,368,860.89 = 220,153,383.36 : x
  2. Step 2: Convert to fraction form
    910,245,464.82/1,365,368,860.89 = 220,153,383.36/x
  3. Step 3: Cross multiply
    910,245,464.82x = 1,365,368,860.89 × 220,153,383.36
  4. Step 4: Simplify right side
    910,245,464.82x = 300,590,574,259,322,752
  5. Step 5: Solve for x
    x = 300,590,574,259,322,752/910,245,464.82
  6. Step 6: Final answer
    x = 330,230,235.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.