Finding the Fourth Proportional to 886,425,557.27, 1,223,293,283.52 and 484,561,512.17
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Solution
The fourth proportional to 886,425,557.27, 1,223,293,283.52 and 484,561,512.17 is: 668,709,107.52
Step by Step Solution
- Step 1: Write the proportion equation
886,425,557.27 : 1,223,293,283.52 = 484,561,512.17 : x - Step 2: Convert to fraction form
886,425,557.27/1,223,293,283.52 = 484,561,512.17/x - Step 3: Cross multiply
886,425,557.27x = 1,223,293,283.52 × 484,561,512.17 - Step 4: Simplify right side
886,425,557.27x = 592,760,843,283,047,808 - Step 5: Solve for x
x = 592,760,843,283,047,808/886,425,557.27 - Step 6: Final answer
x = 668,709,107.52
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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.