Finding the Fourth Proportional to 1,450,619,442.16, 2,001,861,609.30 and 824,122,247.68
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Solution
The fourth proportional to 1,450,619,442.16, 2,001,861,609.30 and 824,122,247.68 is: 1,137,292,553.13
Step by Step Solution
- Step 1: Write the proportion equation
1,450,619,442.16 : 2,001,861,609.30 = 824,122,247.68 : x - Step 2: Convert to fraction form
1,450,619,442.16/2,001,861,609.30 = 824,122,247.68/x - Step 3: Cross multiply
1,450,619,442.16x = 2,001,861,609.30 × 824,122,247.68 - Step 4: Simplify right side
1,450,619,442.16x = 1,649,778,689,000,617,728 - Step 5: Solve for x
x = 1,649,778,689,000,617,728/1,450,619,442.16 - Step 6: Final answer
x = 1,137,292,553.13
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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.