Finding the Fourth Proportional to 5,007,121,602.99, 7,509,087,794.74 and 1,644,912,143.43
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Solution
The fourth proportional to 5,007,121,602.99, 7,509,087,794.74 and 1,644,912,143.43 is: 2,466,844,362.69
Step by Step Solution
- Step 1: Write the proportion equation
5,007,121,602.99 : 7,509,087,794.74 = 1,644,912,143.43 : x - Step 2: Convert to fraction form
5,007,121,602.99/7,509,087,794.74 = 1,644,912,143.43/x - Step 3: Cross multiply
5,007,121,602.99x = 7,509,087,794.74 × 1,644,912,143.43 - Step 4: Simplify right side
5,007,121,602.99x = 12,351,789,699,649,824,768 - Step 5: Solve for x
x = 12,351,789,699,649,824,768/5,007,121,602.99 - Step 6: Final answer
x = 2,466,844,362.69
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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.