Finding the Fourth Proportional to 827,455,366.90, 1,241,183,050.35 and 366,904,659.70
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Solution
The fourth proportional to 827,455,366.90, 1,241,183,050.35 and 366,904,659.70 is: 550,356,989.55
Step by Step Solution
- Step 1: Write the proportion equation
827,455,366.90 : 1,241,183,050.35 = 366,904,659.70 : x - Step 2: Convert to fraction form
827,455,366.90/1,241,183,050.35 = 366,904,659.70/x - Step 3: Cross multiply
827,455,366.90x = 1,241,183,050.35 × 366,904,659.70 - Step 4: Simplify right side
827,455,366.90x = 455,395,844,714,074,688 - Step 5: Solve for x
x = 455,395,844,714,074,688/827,455,366.90 - Step 6: Final answer
x = 550,356,989.55
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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.