Finding the Fourth Proportional to 5,349,898,733.48, 7,382,657,990.92 and 2,971,189,898.56
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Solution
The fourth proportional to 5,349,898,733.48, 7,382,657,990.92 and 2,971,189,898.56 is: 4,100,129,729.54
Step by Step Solution
- Step 1: Write the proportion equation
5,349,898,733.48 : 7,382,657,990.92 = 2,971,189,898.56 : x - Step 2: Convert to fraction form
5,349,898,733.48/7,382,657,990.92 = 2,971,189,898.56/x - Step 3: Cross multiply
5,349,898,733.48x = 7,382,657,990.92 × 2,971,189,898.56 - Step 4: Simplify right side
5,349,898,733.48x = 21,935,278,847,144,767,488 - Step 5: Solve for x
x = 21,935,278,847,144,767,488/5,349,898,733.48 - Step 6: Final answer
x = 4,100,129,729.54
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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.