Finding the Fourth Proportional to 1,670,153,672.88, 2,304,811,995.48 and 927,666,822.96
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Solution
The fourth proportional to 1,670,153,672.88, 2,304,811,995.48 and 927,666,822.96 is: 1,280,180,175.09
Step by Step Solution
- Step 1: Write the proportion equation
1,670,153,672.88 : 2,304,811,995.48 = 927,666,822.96 : x - Step 2: Convert to fraction form
1,670,153,672.88/2,304,811,995.48 = 927,666,822.96/x - Step 3: Cross multiply
1,670,153,672.88x = 2,304,811,995.48 × 927,666,822.96 - Step 4: Simplify right side
1,670,153,672.88x = 2,138,097,621,367,029,504 - Step 5: Solve for x
x = 2,138,097,621,367,029,504/1,670,153,672.88 - Step 6: Final answer
x = 1,280,180,175.09
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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.