Finding the Fourth Proportional to 1,899,427,133.19, 2,621,207,455.82 and 1,064,057,584.08
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Solution
The fourth proportional to 1,899,427,133.19, 2,621,207,455.82 and 1,064,057,584.08 is: 1,468,398,352.37
Step by Step Solution
- Step 1: Write the proportion equation
1,899,427,133.19 : 2,621,207,455.82 = 1,064,057,584.08 : x - Step 2: Convert to fraction form
1,899,427,133.19/2,621,207,455.82 = 1,064,057,584.08/x - Step 3: Cross multiply
1,899,427,133.19x = 2,621,207,455.82 × 1,064,057,584.08 - Step 4: Simplify right side
1,899,427,133.19x = 2,789,115,672,826,848,256 - Step 5: Solve for x
x = 2,789,115,672,826,848,256/1,899,427,133.19 - Step 6: Final answer
x = 1,468,398,352.37
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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.