Finding the Fourth Proportional to 5,283,455,930.82, 7,925,185,369.08 and 1,552,747,120.02
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Solution
The fourth proportional to 5,283,455,930.82, 7,925,185,369.08 and 1,552,747,120.02 is: 2,329,121,112.88
Step by Step Solution
- Step 1: Write the proportion equation
5,283,455,930.82 : 7,925,185,369.08 = 1,552,747,120.02 : x - Step 2: Convert to fraction form
5,283,455,930.82/7,925,185,369.08 = 1,552,747,120.02/x - Step 3: Cross multiply
5,283,455,930.82x = 7,925,185,369.08 × 1,552,747,120.02 - Step 4: Simplify right side
5,283,455,930.82x = 12,305,808,757,463,611,392 - Step 5: Solve for x
x = 12,305,808,757,463,611,392/5,283,455,930.82 - Step 6: Final answer
x = 2,329,121,112.88
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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.