Finding the Fourth Proportional to 5,186,466,916.66, 7,778,536,020.60 and 2,385,745,610.31
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Solution
The fourth proportional to 5,186,466,916.66, 7,778,536,020.60 and 2,385,745,610.31 is: 3,578,082,818.99
Step by Step Solution
- Step 1: Write the proportion equation
5,186,466,916.66 : 7,778,536,020.60 = 2,385,745,610.31 : x - Step 2: Convert to fraction form
5,186,466,916.66/7,778,536,020.60 = 2,385,745,610.31/x - Step 3: Cross multiply
5,186,466,916.66x = 7,778,536,020.60 × 2,385,745,610.31 - Step 4: Simplify right side
5,186,466,916.66x = 18,557,608,165,775,839,232 - Step 5: Solve for x
x = 18,557,608,165,775,839,232/5,186,466,916.66 - Step 6: Final answer
x = 3,578,082,818.99
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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.