Finding the Fourth Proportional to 1,267,051,124,815, 1,748,563,691,310.30 and 689,021,450,317.28
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Solution
The fourth proportional to 1,267,051,124,815, 1,748,563,691,310.30 and 689,021,450,317.28 is: 950,867,622,436.84
Step by Step Solution
- Step 1: Write the proportion equation
1,267,051,124,815 : 1,748,563,691,310.30 = 689,021,450,317.28 : x - Step 2: Convert to fraction form
1,267,051,124,815/1,748,563,691,310.30 = 689,021,450,317.28/x - Step 3: Cross multiply
1,267,051,124,815x = 1,748,563,691,310.30 × 689,021,450,317.28 - Step 4: Simplify right side
1,267,051,124,815x = 1,204,797,890,558,759,727,529,984 - Step 5: Solve for x
x = 1,204,797,890,558,759,727,529,984/1,267,051,124,815 - Step 6: Final answer
x = 950,867,622,436.84
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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.