Finding the Fourth Proportional to 13,907,919,489.66, 19,197,921,222.93 and 8,269,121,889.08
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Solution
The fourth proportional to 13,907,919,489.66, 19,197,921,222.93 and 8,269,121,889.08 is: 11,414,356,455.49
Step by Step Solution
- Step 1: Write the proportion equation
13,907,919,489.66 : 19,197,921,222.93 = 8,269,121,889.08 : x - Step 2: Convert to fraction form
13,907,919,489.66/19,197,921,222.93 = 8,269,121,889.08/x - Step 3: Cross multiply
13,907,919,489.66x = 19,197,921,222.93 × 8,269,121,889.08 - Step 4: Simplify right side
13,907,919,489.66x = 158,749,950,609,267,949,568 - Step 5: Solve for x
x = 158,749,950,609,267,949,568/13,907,919,489.66 - Step 6: Final answer
x = 11,414,356,455.49
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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.