Finding the Fourth Proportional to 372,785,925.96, 514,330,578.30 and 216,121,770.18
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Solution
The fourth proportional to 372,785,925.96, 514,330,578.30 and 216,121,770.18 is: 298,181,951.89
Step by Step Solution
- Step 1: Write the proportion equation
372,785,925.96 : 514,330,578.30 = 216,121,770.18 : x - Step 2: Convert to fraction form
372,785,925.96/514,330,578.30 = 216,121,770.18/x - Step 3: Cross multiply
372,785,925.96x = 514,330,578.30 × 216,121,770.18 - Step 4: Simplify right side
372,785,925.96x = 111,158,035,039,899,104 - Step 5: Solve for x
x = 111,158,035,039,899,104/372,785,925.96 - Step 6: Final answer
x = 298,181,951.89
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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.