Finding the Fourth Proportional to 1,770,717,914.68, 2,656,651,546.37 and 527,159,134.96
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Solution
The fourth proportional to 1,770,717,914.68, 2,656,651,546.37 and 527,159,134.96 is: 790,909,788.32
Step by Step Solution
- Step 1: Write the proportion equation
1,770,717,914.68 : 2,656,651,546.37 = 527,159,134.96 : x - Step 2: Convert to fraction form
1,770,717,914.68/2,656,651,546.37 = 527,159,134.96/x - Step 3: Cross multiply
1,770,717,914.68x = 2,656,651,546.37 × 527,159,134.96 - Step 4: Simplify right side
1,770,717,914.68x = 1,400,478,131,074,555,392 - Step 5: Solve for x
x = 1,400,478,131,074,555,392/1,770,717,914.68 - Step 6: Final answer
x = 790,909,788.32
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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.