Finding the Fourth Proportional to 8,104,724,431, 12,159,182,629.86 and 4,746,131,791
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Solution
The fourth proportional to 8,104,724,431, 12,159,182,629.86 and 4,746,131,791 is: 7,120,425,095.69
Step by Step Solution
- Step 1: Write the proportion equation
8,104,724,431 : 12,159,182,629.86 = 4,746,131,791 : x - Step 2: Convert to fraction form
8,104,724,431/12,159,182,629.86 = 4,746,131,791/x - Step 3: Cross multiply
8,104,724,431x = 12,159,182,629.86 × 4,746,131,791 - Step 4: Simplify right side
8,104,724,431x = 57,709,083,232,153,534,464 - Step 5: Solve for x
x = 57,709,083,232,153,534,464/8,104,724,431 - Step 6: Final answer
x = 7,120,425,095.69
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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.