Finding the Fourth Proportional to 2,493,751,085.21, 3,441,374,251.53 and 1,407,661,631.98
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Solution
The fourth proportional to 2,493,751,085.21, 3,441,374,251.53 and 1,407,661,631.98 is: 1,942,571,784.28
Step by Step Solution
- Step 1: Write the proportion equation
2,493,751,085.21 : 3,441,374,251.53 = 1,407,661,631.98 : x - Step 2: Convert to fraction form
2,493,751,085.21/3,441,374,251.53 = 1,407,661,631.98/x - Step 3: Cross multiply
2,493,751,085.21x = 3,441,374,251.53 × 1,407,661,631.98 - Step 4: Simplify right side
2,493,751,085.21x = 4,844,290,495,148,718,080 - Step 5: Solve for x
x = 4,844,290,495,148,718,080/2,493,751,085.21 - Step 6: Final answer
x = 1,942,571,784.28
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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.