Finding the Fourth Proportional to 789,528,165.79, 1,184,473,875.40 and 264,966,877.13
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Solution
The fourth proportional to 789,528,165.79, 1,184,473,875.40 and 264,966,877.13 is: 397,511,269.90
Step by Step Solution
- Step 1: Write the proportion equation
789,528,165.79 : 1,184,473,875.40 = 264,966,877.13 : x - Step 2: Convert to fraction form
789,528,165.79/1,184,473,875.40 = 264,966,877.13/x - Step 3: Cross multiply
789,528,165.79x = 1,184,473,875.40 × 264,966,877.13 - Step 4: Simplify right side
789,528,165.79x = 313,846,343,806,806,720 - Step 5: Solve for x
x = 313,846,343,806,806,720/789,528,165.79 - Step 6: Final answer
x = 397,511,269.90
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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.