Finding the Fourth Proportional to 2,493,751,089.86, 3,441,374,257.96 and 1,407,661,636.62
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Solution
The fourth proportional to 2,493,751,089.86, 3,441,374,257.96 and 1,407,661,636.62 is: 1,942,571,790.70
Step by Step Solution
- Step 1: Write the proportion equation
2,493,751,089.86 : 3,441,374,257.96 = 1,407,661,636.62 : x - Step 2: Convert to fraction form
2,493,751,089.86/3,441,374,257.96 = 1,407,661,636.62/x - Step 3: Cross multiply
2,493,751,089.86x = 3,441,374,257.96 × 1,407,661,636.62 - Step 4: Simplify right side
2,493,751,089.86x = 4,844,290,520,181,911,552 - Step 5: Solve for x
x = 4,844,290,520,181,911,552/2,493,751,089.86 - Step 6: Final answer
x = 1,942,571,790.70
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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.