Finding the Fourth Proportional to 2,732,021,518.73, 3,770,201,727.99 and 1,478,958,374.63
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Solution
The fourth proportional to 2,732,021,518.73, 3,770,201,727.99 and 1,478,958,374.63 is: 2,040,969,070.50
Step by Step Solution
- Step 1: Write the proportion equation
2,732,021,518.73 : 3,770,201,727.99 = 1,478,958,374.63 : x - Step 2: Convert to fraction form
2,732,021,518.73/3,770,201,727.99 = 1,478,958,374.63/x - Step 3: Cross multiply
2,732,021,518.73x = 3,770,201,727.99 × 1,478,958,374.63 - Step 4: Simplify right side
2,732,021,518.73x = 5,575,971,419,664,733,184 - Step 5: Solve for x
x = 5,575,971,419,664,733,184/2,732,021,518.73 - Step 6: Final answer
x = 2,040,969,070.50
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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.