Finding the Fourth Proportional to 4,721,003,471.97, 6,515,556,082.65 and 2,686,948,876.08
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Solution
The fourth proportional to 4,721,003,471.97, 6,515,556,082.65 and 2,686,948,876.08 is: 3,708,314,598.21
Step by Step Solution
- Step 1: Write the proportion equation
4,721,003,471.97 : 6,515,556,082.65 = 2,686,948,876.08 : x - Step 2: Convert to fraction form
4,721,003,471.97/6,515,556,082.65 = 2,686,948,876.08/x - Step 3: Cross multiply
4,721,003,471.97x = 6,515,556,082.65 × 2,686,948,876.08 - Step 4: Simplify right side
4,721,003,471.97x = 17,506,966,093,312,622,592 - Step 5: Solve for x
x = 17,506,966,093,312,622,592/4,721,003,471.97 - Step 6: Final answer
x = 3,708,314,598.21
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1.5x scale
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.