Finding the Fourth Proportional to 373,386,806.12, 515,260,285.26 and 206,119,474.76
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Solution
The fourth proportional to 373,386,806.12, 515,260,285.26 and 206,119,474.76 is: 284,437,418.84
Step by Step Solution
- Step 1: Write the proportion equation
373,386,806.12 : 515,260,285.26 = 206,119,474.76 : x - Step 2: Convert to fraction form
373,386,806.12/515,260,285.26 = 206,119,474.76/x - Step 3: Cross multiply
373,386,806.12x = 515,260,285.26 × 206,119,474.76 - Step 4: Simplify right side
373,386,806.12x = 106,205,179,362,478,960 - Step 5: Solve for x
x = 106,205,179,362,478,960/373,386,806.12 - Step 6: Final answer
x = 284,437,418.84
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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.