Home / 501,848,842.75-692,570,093.40-300,938,427.32

Finding the Fourth Proportional to 501,848,842.75, 692,570,093.40 and 300,938,427.32

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Solution

The fourth proportional to 501,848,842.75, 692,570,093.40 and 300,938,427.32 is: 415,306,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,848,842.75 : 692,570,093.40 = 300,938,427.32 : x
  2. Step 2: Convert to fraction form
    501,848,842.75/692,570,093.40 = 300,938,427.32/x
  3. Step 3: Cross multiply
    501,848,842.75x = 692,570,093.40 × 300,938,427.32
  4. Step 4: Simplify right side
    501,848,842.75x = 208,420,954,713,198,656
  5. Step 5: Solve for x
    x = 208,420,954,713,198,656/501,848,842.75
  6. Step 6: Final answer
    x = 415,306,237.57

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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.