Finding the Fourth Proportional to 1,242,950,510,762, 1,715,253,450,313.10 and 694,249,823,249.28
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Solution
The fourth proportional to 1,242,950,510,762, 1,715,253,450,313.10 and 694,249,823,249.28 is: 958,054,560,014.26
Step by Step Solution
- Step 1: Write the proportion equation
1,242,950,510,762 : 1,715,253,450,313.10 = 694,249,823,249.28 : x - Step 2: Convert to fraction form
1,242,950,510,762/1,715,253,450,313.10 = 694,249,823,249.28/x - Step 3: Cross multiply
1,242,950,510,762x = 1,715,253,450,313.10 × 694,249,823,249.28 - Step 4: Simplify right side
1,242,950,510,762x = 1,190,814,404,707,587,457,024,000 - Step 5: Solve for x
x = 1,190,814,404,707,587,457,024,000/1,242,950,510,762 - Step 6: Final answer
x = 958,054,560,014.26
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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.