Finding the Fourth Proportional to 1,556,090,751.84, 2,147,398,817.14 and 841,627,102.98
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Solution
The fourth proportional to 1,556,090,751.84, 2,147,398,817.14 and 841,627,102.98 is: 1,161,441,929.58
Step by Step Solution
- Step 1: Write the proportion equation
1,556,090,751.84 : 2,147,398,817.14 = 841,627,102.98 : x - Step 2: Convert to fraction form
1,556,090,751.84/2,147,398,817.14 = 841,627,102.98/x - Step 3: Cross multiply
1,556,090,751.84x = 2,147,398,817.14 × 841,627,102.98 - Step 4: Simplify right side
1,556,090,751.84x = 1,807,309,045,412,217,088 - Step 5: Solve for x
x = 1,807,309,045,412,217,088/1,556,090,751.84 - Step 6: Final answer
x = 1,161,441,929.58
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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.