Finding the Fourth Proportional to 789,528,166.29, 1,184,473,876.15 and 264,966,877.63
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Solution
The fourth proportional to 789,528,166.29, 1,184,473,876.15 and 264,966,877.63 is: 397,511,270.65
Step by Step Solution
- Step 1: Write the proportion equation
789,528,166.29 : 1,184,473,876.15 = 264,966,877.63 : x - Step 2: Convert to fraction form
789,528,166.29/1,184,473,876.15 = 264,966,877.63/x - Step 3: Cross multiply
789,528,166.29x = 1,184,473,876.15 × 264,966,877.63 - Step 4: Simplify right side
789,528,166.29x = 313,846,344,597,768,832 - Step 5: Solve for x
x = 313,846,344,597,768,832/789,528,166.29 - Step 6: Final answer
x = 397,511,270.65
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1.5x scale
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.