Home / 550,468,619.10-825,702,928.65-305,580,606.30

Finding the Fourth Proportional to 550,468,619.10, 825,702,928.65 and 305,580,606.30

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Solution

The fourth proportional to 550,468,619.10, 825,702,928.65 and 305,580,606.30 is: 458,370,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,468,619.10 : 825,702,928.65 = 305,580,606.30 : x
  2. Step 2: Convert to fraction form
    550,468,619.10/825,702,928.65 = 305,580,606.30/x
  3. Step 3: Cross multiply
    550,468,619.10x = 825,702,928.65 × 305,580,606.30
  4. Step 4: Simplify right side
    550,468,619.10x = 252,318,801,560,552,640
  5. Step 5: Solve for x
    x = 252,318,801,560,552,640/550,468,619.10
  6. Step 6: Final answer
    x = 458,370,909.45

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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.