Finding the Fourth Proportional to 1,183,461,348.30, 1,775,192,022.45 and 493,863,506.70
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Solution
The fourth proportional to 1,183,461,348.30, 1,775,192,022.45 and 493,863,506.70 is: 740,795,260.05
Step by Step Solution
- Step 1: Write the proportion equation
1,183,461,348.30 : 1,775,192,022.45 = 493,863,506.70 : x - Step 2: Convert to fraction form
1,183,461,348.30/1,775,192,022.45 = 493,863,506.70/x - Step 3: Cross multiply
1,183,461,348.30x = 1,775,192,022.45 × 493,863,506.70 - Step 4: Simplify right side
1,183,461,348.30x = 876,702,557,273,022,080 - Step 5: Solve for x
x = 876,702,557,273,022,080/1,183,461,348.30 - Step 6: Final answer
x = 740,795,260.05
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Double scale
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1.5x scale
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.