Finding the Fourth Proportional to 1,183,412,410.80, 1,775,118,616.20 and 537,180,154.80
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Solution
The fourth proportional to 1,183,412,410.80, 1,775,118,616.20 and 537,180,154.80 is: 805,770,232.20
Step by Step Solution
- Step 1: Write the proportion equation
1,183,412,410.80 : 1,775,118,616.20 = 537,180,154.80 : x - Step 2: Convert to fraction form
1,183,412,410.80/1,775,118,616.20 = 537,180,154.80/x - Step 3: Cross multiply
1,183,412,410.80x = 1,775,118,616.20 × 537,180,154.80 - Step 4: Simplify right side
1,183,412,410.80x = 953,558,493,038,677,760 - Step 5: Solve for x
x = 953,558,493,038,677,760/1,183,412,410.80 - Step 6: Final answer
x = 805,770,232.20
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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.