Finding the Fourth Proportional to 1,965,627,365.82, 2,948,855,646.66 and 637,552,262.63
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Solution
The fourth proportional to 1,965,627,365.82, 2,948,855,646.66 and 637,552,262.63 is: 956,462,868.99
Step by Step Solution
- Step 1: Write the proportion equation
1,965,627,365.82 : 2,948,855,646.66 = 637,552,262.63 : x - Step 2: Convert to fraction form
1,965,627,365.82/2,948,855,646.66 = 637,552,262.63/x - Step 3: Cross multiply
1,965,627,365.82x = 2,948,855,646.66 × 637,552,262.63 - Step 4: Simplify right side
1,965,627,365.82x = 1,880,049,589,682,590,464 - Step 5: Solve for x
x = 1,880,049,589,682,590,464/1,965,627,365.82 - Step 6: Final answer
x = 956,462,868.99
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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.