Finding the Fourth Proportional to 843,208,147.17, 1,163,663,605.93 and 466,864,742.09
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Solution
The fourth proportional to 843,208,147.17, 1,163,663,605.93 and 466,864,742.09 is: 644,293,477.34
Step by Step Solution
- Step 1: Write the proportion equation
843,208,147.17 : 1,163,663,605.93 = 466,864,742.09 : x - Step 2: Convert to fraction form
843,208,147.17/1,163,663,605.93 = 466,864,742.09/x - Step 3: Cross multiply
843,208,147.17x = 1,163,663,605.93 × 466,864,742.09 - Step 4: Simplify right side
843,208,147.17x = 543,273,509,262,028,864 - Step 5: Solve for x
x = 543,273,509,262,028,864/843,208,147.17 - Step 6: Final answer
x = 644,293,477.34
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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.