Finding the Fourth Proportional to 8,807,699,901, 13,194,115,846.64 and 7,703,551,507.36
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Solution
The fourth proportional to 8,807,699,901, 13,194,115,846.64 and 7,703,551,507.36 is: 11,540,078,812.99
Step by Step Solution
- Step 1: Write the proportion equation
8,807,699,901 : 13,194,115,846.64 = 7,703,551,507.36 : x - Step 2: Convert to fraction form
8,807,699,901/13,194,115,846.64 = 7,703,551,507.36/x - Step 3: Cross multiply
8,807,699,901x = 13,194,115,846.64 × 7,703,551,507.36 - Step 4: Simplify right side
8,807,699,901x = 101,641,551,018,666,033,152 - Step 5: Solve for x
x = 101,641,551,018,666,033,152/8,807,699,901 - Step 6: Final answer
x = 11,540,078,812.99
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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.