Finding the Fourth Proportional to 3,208,371,027.99, 4,809,159,931.32 and 1,079,189,812.28
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Solution
The fourth proportional to 3,208,371,027.99, 4,809,159,931.32 and 1,079,189,812.28 is: 1,617,642,211.02
Step by Step Solution
- Step 1: Write the proportion equation
3,208,371,027.99 : 4,809,159,931.32 = 1,079,189,812.28 : x - Step 2: Convert to fraction form
3,208,371,027.99/4,809,159,931.32 = 1,079,189,812.28/x - Step 3: Cross multiply
3,208,371,027.99x = 4,809,159,931.32 × 1,079,189,812.28 - Step 4: Simplify right side
3,208,371,027.99x = 5,189,996,403,481,682,944 - Step 5: Solve for x
x = 5,189,996,403,481,682,944/3,208,371,027.99 - Step 6: Final answer
x = 1,617,642,211.02
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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.