Finding the Fourth Proportional to 1,073,088,053.80, 1,609,632,080.70 and 307,183,157.80
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Solution
The fourth proportional to 1,073,088,053.80, 1,609,632,080.70 and 307,183,157.80 is: 460,774,736.70
Step by Step Solution
- Step 1: Write the proportion equation
1,073,088,053.80 : 1,609,632,080.70 = 307,183,157.80 : x - Step 2: Convert to fraction form
1,073,088,053.80/1,609,632,080.70 = 307,183,157.80/x - Step 3: Cross multiply
1,073,088,053.80x = 1,609,632,080.70 × 307,183,157.80 - Step 4: Simplify right side
1,073,088,053.80x = 494,451,865,445,610,496 - Step 5: Solve for x
x = 494,451,865,445,610,496/1,073,088,053.80 - Step 6: Final answer
x = 460,774,736.70
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Double scale
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Similar ratio
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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.