Finding the Fourth Proportional to 2,305,432,916.30, 3,458,149,872.67 and 831,572,602.70
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Solution
The fourth proportional to 2,305,432,916.30, 3,458,149,872.67 and 831,572,602.70 is: 1,247,359,083.76
Step by Step Solution
- Step 1: Write the proportion equation
2,305,432,916.30 : 3,458,149,872.67 = 831,572,602.70 : x - Step 2: Convert to fraction form
2,305,432,916.30/3,458,149,872.67 = 831,572,602.70/x - Step 3: Cross multiply
2,305,432,916.30x = 3,458,149,872.67 × 831,572,602.70 - Step 4: Simplify right side
2,305,432,916.30x = 2,875,702,690,140,099,072 - Step 5: Solve for x
x = 2,875,702,690,140,099,072/2,305,432,916.30 - Step 6: Final answer
x = 1,247,359,083.76
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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.