Finding the Fourth Proportional to 611,183,417.10, 916,775,125.65 and 611,183,417.10
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Solution
The fourth proportional to 611,183,417.10, 916,775,125.65 and 611,183,417.10 is: 916,775,125.65
Step by Step Solution
- Step 1: Write the proportion equation
611,183,417.10 : 916,775,125.65 = 611,183,417.10 : x - Step 2: Convert to fraction form
611,183,417.10/916,775,125.65 = 611,183,417.10/x - Step 3: Cross multiply
611,183,417.10x = 916,775,125.65 × 611,183,417.10 - Step 4: Simplify right side
611,183,417.10x = 560,317,754,007,048,896 - Step 5: Solve for x
x = 560,317,754,007,048,896/611,183,417.10 - Step 6: Final answer
x = 916,775,125.65
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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.