Finding the Fourth Proportional to 1,031,848,668.91, 1,546,242,450.85 and 757,880,204.59
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Solution
The fourth proportional to 1,031,848,668.91, 1,546,242,450.85 and 757,880,204.59 is: 1,135,696,134.82
Step by Step Solution
- Step 1: Write the proportion equation
1,031,848,668.91 : 1,546,242,450.85 = 757,880,204.59 : x - Step 2: Convert to fraction form
1,031,848,668.91/1,546,242,450.85 = 757,880,204.59/x - Step 3: Cross multiply
1,031,848,668.91x = 1,546,242,450.85 × 757,880,204.59 - Step 4: Simplify right side
1,031,848,668.91x = 1,171,866,544,995,941,120 - Step 5: Solve for x
x = 1,171,866,544,995,941,120/1,031,848,668.91 - Step 6: Final answer
x = 1,135,696,134.82
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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.