Finding the Fourth Proportional to 850,918,027.98, 1,276,006,345.39 and 451,989,297.12
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Solution
The fourth proportional to 850,918,027.98, 1,276,006,345.39 and 451,989,297.12 is: 677,787,039.65
Step by Step Solution
- Step 1: Write the proportion equation
850,918,027.98 : 1,276,006,345.39 = 451,989,297.12 : x - Step 2: Convert to fraction form
850,918,027.98/1,276,006,345.39 = 451,989,297.12/x - Step 3: Cross multiply
850,918,027.98x = 1,276,006,345.39 × 451,989,297.12 - Step 4: Simplify right side
850,918,027.98x = 576,741,211,173,486,080 - Step 5: Solve for x
x = 576,741,211,173,486,080/850,918,027.98 - Step 6: Final answer
x = 677,787,039.65
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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.