Finding the Fourth Proportional to 4,753,135,985.28, 6,558,998,502.72 and 2,638,425,367.68
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Solution
The fourth proportional to 4,753,135,985.28, 6,558,998,502.72 and 2,638,425,367.68 is: 3,640,844,295.17
Step by Step Solution
- Step 1: Write the proportion equation
4,753,135,985.28 : 6,558,998,502.72 = 2,638,425,367.68 : x - Step 2: Convert to fraction form
4,753,135,985.28/6,558,998,502.72 = 2,638,425,367.68/x - Step 3: Cross multiply
4,753,135,985.28x = 6,558,998,502.72 × 2,638,425,367.68 - Step 4: Simplify right side
4,753,135,985.28x = 17,305,428,036,151,584,768 - Step 5: Solve for x
x = 17,305,428,036,151,584,768/4,753,135,985.28 - Step 6: Final answer
x = 3,640,844,295.17
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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.