Finding the Fourth Proportional to 372,790,377.17, 514,451,287.37 and 207,774,403.73
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Solution
The fourth proportional to 372,790,377.17, 514,451,287.37 and 207,774,403.73 is: 286,728,993.09
Step by Step Solution
- Step 1: Write the proportion equation
372,790,377.17 : 514,451,287.37 = 207,774,403.73 : x - Step 2: Convert to fraction form
372,790,377.17/514,451,287.37 = 207,774,403.73/x - Step 3: Cross multiply
372,790,377.17x = 514,451,287.37 × 207,774,403.73 - Step 4: Simplify right side
372,790,377.17x = 106,889,809,480,393,760 - Step 5: Solve for x
x = 106,889,809,480,393,760/372,790,377.17 - Step 6: Final answer
x = 286,728,993.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.