Finding the Fourth Proportional to 7,098,989,172.07, 9,796,893,511.82 and 3,927,118,402.48
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Solution
The fourth proportional to 7,098,989,172.07, 9,796,893,511.82 and 3,927,118,402.48 is: 5,419,582,966.65
Step by Step Solution
- Step 1: Write the proportion equation
7,098,989,172.07 : 9,796,893,511.82 = 3,927,118,402.48 : x - Step 2: Convert to fraction form
7,098,989,172.07/9,796,893,511.82 = 3,927,118,402.48/x - Step 3: Cross multiply
7,098,989,172.07x = 9,796,893,511.82 × 3,927,118,402.48 - Step 4: Simplify right side
7,098,989,172.07x = 38,473,560,797,405,233,152 - Step 5: Solve for x
x = 38,473,560,797,405,233,152/7,098,989,172.07 - Step 6: Final answer
x = 5,419,582,966.65
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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.