Finding the Fourth Proportional to 5,349,898,714.98, 7,382,657,965.41 and 2,971,189,880.04
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Solution
The fourth proportional to 5,349,898,714.98, 7,382,657,965.41 and 2,971,189,880.04 is: 4,100,129,703.99
Step by Step Solution
- Step 1: Write the proportion equation
5,349,898,714.98 : 7,382,657,965.41 = 2,971,189,880.04 : x - Step 2: Convert to fraction form
5,349,898,714.98/7,382,657,965.41 = 2,971,189,880.04/x - Step 3: Cross multiply
5,349,898,714.98x = 7,382,657,965.41 × 2,971,189,880.04 - Step 4: Simplify right side
5,349,898,714.98x = 21,935,278,634,622,885,888 - Step 5: Solve for x
x = 21,935,278,634,622,885,888/5,349,898,714.98 - Step 6: Final answer
x = 4,100,129,703.99
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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.