Finding the Fourth Proportional to 770,813,545.23, 1,156,264,893.68 and 218,069,671.19
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Solution
The fourth proportional to 770,813,545.23, 1,156,264,893.68 and 218,069,671.19 is: 327,117,117.66
Step by Step Solution
- Step 1: Write the proportion equation
770,813,545.23 : 1,156,264,893.68 = 218,069,671.19 : x - Step 2: Convert to fraction form
770,813,545.23/1,156,264,893.68 = 218,069,671.19/x - Step 3: Cross multiply
770,813,545.23x = 1,156,264,893.68 × 218,069,671.19 - Step 4: Simplify right side
770,813,545.23x = 252,146,305,166,466,240 - Step 5: Solve for x
x = 252,146,305,166,466,240/770,813,545.23 - Step 6: Final answer
x = 327,117,117.66
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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.