Finding the Fourth Proportional to 7,492,450,021,368.40, 11,236,494,748,972 and 2,901,955,072,405.90
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Solution
The fourth proportional to 7,492,450,021,368.40, 11,236,494,748,972 and 2,901,955,072,405.90 is: 4,352,088,147,380.95
Step by Step Solution
- Step 1: Write the proportion equation
7,492,450,021,368.40 : 11,236,494,748,972 = 2,901,955,072,405.90 : x - Step 2: Convert to fraction form
7,492,450,021,368.40/11,236,494,748,972 = 2,901,955,072,405.90/x - Step 3: Cross multiply
7,492,450,021,368.40x = 11,236,494,748,972 × 2,901,955,072,405.90 - Step 4: Simplify right side
7,492,450,021,368.40x = 32,607,802,932,841,554,695,421,952 - Step 5: Solve for x
x = 32,607,802,932,841,554,695,421,952/7,492,450,021,368.40 - Step 6: Final answer
x = 4,352,088,147,380.95
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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.