Finding the Fourth Proportional to 5,082,403,564.87, 7,013,887,036.23 and 2,824,438,260.70
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Solution
The fourth proportional to 5,082,403,564.87, 7,013,887,036.23 and 2,824,438,260.70 is: 3,897,819,338.53
Step by Step Solution
- Step 1: Write the proportion equation
5,082,403,564.87 : 7,013,887,036.23 = 2,824,438,260.70 : x - Step 2: Convert to fraction form
5,082,403,564.87/7,013,887,036.23 = 2,824,438,260.70/x - Step 3: Cross multiply
5,082,403,564.87x = 7,013,887,036.23 × 2,824,438,260.70 - Step 4: Simplify right side
5,082,403,564.87x = 19,810,290,901,355,737,088 - Step 5: Solve for x
x = 19,810,290,901,355,737,088/5,082,403,564.87 - Step 6: Final answer
x = 3,897,819,338.53
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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.