Finding the Fourth Proportional to 825,948,203.24, 1,238,469,465.85 and 327,453,721.58
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Solution
The fourth proportional to 825,948,203.24, 1,238,469,465.85 and 327,453,721.58 is: 491,001,050.75
Step by Step Solution
- Step 1: Write the proportion equation
825,948,203.24 : 1,238,469,465.85 = 327,453,721.58 : x - Step 2: Convert to fraction form
825,948,203.24/1,238,469,465.85 = 327,453,721.58/x - Step 3: Cross multiply
825,948,203.24x = 1,238,469,465.85 × 327,453,721.58 - Step 4: Simplify right side
825,948,203.24x = 405,541,435,658,054,784 - Step 5: Solve for x
x = 405,541,435,658,054,784/825,948,203.24 - Step 6: Final answer
x = 491,001,050.75
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1.5x scale
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.