Finding the Fourth Proportional to 550,685,452.02, 825,785,781.86 and 291,840,027.09
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Solution
The fourth proportional to 550,685,452.02, 825,785,781.86 and 291,840,027.09 is: 437,631,580.90
Step by Step Solution
- Step 1: Write the proportion equation
550,685,452.02 : 825,785,781.86 = 291,840,027.09 : x - Step 2: Convert to fraction form
550,685,452.02/825,785,781.86 = 291,840,027.09/x - Step 3: Cross multiply
550,685,452.02x = 825,785,781.86 × 291,840,027.09 - Step 4: Simplify right side
550,685,452.02x = 240,997,344,947,100,000 - Step 5: Solve for x
x = 240,997,344,947,100,000/550,685,452.02 - Step 6: Final answer
x = 437,631,580.90
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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.