Finding the Fourth Proportional to 1,473,541,638.41, 2,034,405,343.62 and 937,995,588.83
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Solution
The fourth proportional to 1,473,541,638.41, 2,034,405,343.62 and 937,995,588.83 is: 1,295,018,198.65
Step by Step Solution
- Step 1: Write the proportion equation
1,473,541,638.41 : 2,034,405,343.62 = 937,995,588.83 : x - Step 2: Convert to fraction form
1,473,541,638.41/2,034,405,343.62 = 937,995,588.83/x - Step 3: Cross multiply
1,473,541,638.41x = 2,034,405,343.62 × 937,995,588.83 - Step 4: Simplify right side
1,473,541,638.41x = 1,908,263,238,207,740,416 - Step 5: Solve for x
x = 1,908,263,238,207,740,416/1,473,541,638.41 - Step 6: Final answer
x = 1,295,018,198.65
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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.