Finding the Fourth Proportional to 7,278,343,670.70, 10,917,515,506.05 and 6,069,020,150.70
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Solution
The fourth proportional to 7,278,343,670.70, 10,917,515,506.05 and 6,069,020,150.70 is: 9,103,530,226.05
Step by Step Solution
- Step 1: Write the proportion equation
7,278,343,670.70 : 10,917,515,506.05 = 6,069,020,150.70 : x - Step 2: Convert to fraction form
7,278,343,670.70/10,917,515,506.05 = 6,069,020,150.70/x - Step 3: Cross multiply
7,278,343,670.70x = 10,917,515,506.05 × 6,069,020,150.70 - Step 4: Simplify right side
7,278,343,670.70x = 66,258,621,601,797,152,768 - Step 5: Solve for x
x = 66,258,621,601,797,152,768/7,278,343,670.70 - Step 6: Final answer
x = 9,103,530,226.05
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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.