Finding the Fourth Proportional to 1,450,243,330.62, 2,001,336,084.27 and 790,193,608.62
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Solution
The fourth proportional to 1,450,243,330.62, 2,001,336,084.27 and 790,193,608.62 is: 1,090,467,336.83
Step by Step Solution
- Step 1: Write the proportion equation
1,450,243,330.62 : 2,001,336,084.27 = 790,193,608.62 : x - Step 2: Convert to fraction form
1,450,243,330.62/2,001,336,084.27 = 790,193,608.62/x - Step 3: Cross multiply
1,450,243,330.62x = 2,001,336,084.27 × 790,193,608.62 - Step 4: Simplify right side
1,450,243,330.62x = 1,581,442,982,490,731,776 - Step 5: Solve for x
x = 1,581,442,982,490,731,776/1,450,243,330.62 - Step 6: Final answer
x = 1,090,467,336.83
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1.5x scale
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.