Finding the Fourth Proportional to 910,904,251.05, 1,366,356,376.58 and 566,530,483.05
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Solution
The fourth proportional to 910,904,251.05, 1,366,356,376.58 and 566,530,483.05 is: 849,795,724.58
Step by Step Solution
- Step 1: Write the proportion equation
910,904,251.05 : 1,366,356,376.58 = 566,530,483.05 : x - Step 2: Convert to fraction form
910,904,251.05/1,366,356,376.58 = 566,530,483.05/x - Step 3: Cross multiply
910,904,251.05x = 1,366,356,376.58 × 566,530,483.05 - Step 4: Simplify right side
910,904,251.05x = 774,082,538,039,482,368 - Step 5: Solve for x
x = 774,082,538,039,482,368/910,904,251.05 - Step 6: Final answer
x = 849,795,724.58
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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.