Finding the Fourth Proportional to 19,135,267,463.70, 28,702,901,195.55 and 19,135,267,463.70
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Solution
The fourth proportional to 19,135,267,463.70, 28,702,901,195.55 and 19,135,267,463.70 is: 28,702,901,195.55
Step by Step Solution
- Step 1: Write the proportion equation
19,135,267,463.70 : 28,702,901,195.55 = 19,135,267,463.70 : x - Step 2: Convert to fraction form
19,135,267,463.70/28,702,901,195.55 = 19,135,267,463.70/x - Step 3: Cross multiply
19,135,267,463.70x = 28,702,901,195.55 × 19,135,267,463.70 - Step 4: Simplify right side
19,135,267,463.70x = 549,237,691,361,003,765,760 - Step 5: Solve for x
x = 549,237,691,361,003,765,760/19,135,267,463.70 - Step 6: Final answer
x = 28,702,901,195.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.