Finding the Fourth Proportional to 6,215,318,639.79, 8,578,735,583.90 and 4,048,082,972.98
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Solution
The fourth proportional to 6,215,318,639.79, 8,578,735,583.90 and 4,048,082,972.98 is: 5,587,393,898.77
Step by Step Solution
- Step 1: Write the proportion equation
6,215,318,639.79 : 8,578,735,583.90 = 4,048,082,972.98 : x - Step 2: Convert to fraction form
6,215,318,639.79/8,578,735,583.90 = 4,048,082,972.98/x - Step 3: Cross multiply
6,215,318,639.79x = 8,578,735,583.90 × 4,048,082,972.98 - Step 4: Simplify right side
6,215,318,639.79x = 34,727,433,446,883,225,600 - Step 5: Solve for x
x = 34,727,433,446,883,225,600/6,215,318,639.79 - Step 6: Final answer
x = 5,587,393,898.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.