Finding the Fourth Proportional to 3,909,174,459.84, 5,394,622,428.88 and 2,124,921,753.84
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Solution
The fourth proportional to 3,909,174,459.84, 5,394,622,428.88 and 2,124,921,753.84 is: 2,932,371,187.48
Step by Step Solution
- Step 1: Write the proportion equation
3,909,174,459.84 : 5,394,622,428.88 = 2,124,921,753.84 : x - Step 2: Convert to fraction form
3,909,174,459.84/5,394,622,428.88 = 2,124,921,753.84/x - Step 3: Cross multiply
3,909,174,459.84x = 5,394,622,428.88 × 2,124,921,753.84 - Step 4: Simplify right side
3,909,174,459.84x = 11,463,150,552,880,289,792 - Step 5: Solve for x
x = 11,463,150,552,880,289,792/3,909,174,459.84 - Step 6: Final answer
x = 2,932,371,187.48
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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.