Finding the Fourth Proportional to 612,532,910,705.22, 845,369,539,733.25 and 348,621,775,821.85
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Solution
The fourth proportional to 612,532,910,705.22, 845,369,539,733.25 and 348,621,775,821.85 is: 481,140,237,555.88
Step by Step Solution
- Step 1: Write the proportion equation
612,532,910,705.22 : 845,369,539,733.25 = 348,621,775,821.85 : x - Step 2: Convert to fraction form
612,532,910,705.22/845,369,539,733.25 = 348,621,775,821.85/x - Step 3: Cross multiply
612,532,910,705.22x = 845,369,539,733.25 × 348,621,775,821.85 - Step 4: Simplify right side
612,532,910,705.22x = 294,714,230,167,505,586,880,512 - Step 5: Solve for x
x = 294,714,230,167,505,586,880,512/612,532,910,705.22 - Step 6: Final answer
x = 481,140,237,555.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.