Finding the Fourth Proportional to 976,704,887.40, 1,465,057,331.10 and 845,190,954.60
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Solution
The fourth proportional to 976,704,887.40, 1,465,057,331.10 and 845,190,954.60 is: 1,267,786,431.90
Step by Step Solution
- Step 1: Write the proportion equation
976,704,887.40 : 1,465,057,331.10 = 845,190,954.60 : x - Step 2: Convert to fraction form
976,704,887.40/1,465,057,331.10 = 845,190,954.60/x - Step 3: Cross multiply
976,704,887.40x = 1,465,057,331.10 × 845,190,954.60 - Step 4: Simplify right side
976,704,887.40x = 1,238,253,204,216,137,216 - Step 5: Solve for x
x = 1,238,253,204,216,137,216/976,704,887.40 - Step 6: Final answer
x = 1,267,786,431.90
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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.