Finding the Fourth Proportional to 7,558,291,231.20, 11,337,436,846.80 and 4,789,696,197.60
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Solution
The fourth proportional to 7,558,291,231.20, 11,337,436,846.80 and 4,789,696,197.60 is: 7,184,544,296.40
Step by Step Solution
- Step 1: Write the proportion equation
7,558,291,231.20 : 11,337,436,846.80 = 4,789,696,197.60 : x - Step 2: Convert to fraction form
7,558,291,231.20/11,337,436,846.80 = 4,789,696,197.60/x - Step 3: Cross multiply
7,558,291,231.20x = 11,337,436,846.80 × 4,789,696,197.60 - Step 4: Simplify right side
7,558,291,231.20x = 54,302,878,155,648,098,304 - Step 5: Solve for x
x = 54,302,878,155,648,098,304/7,558,291,231.20 - Step 6: Final answer
x = 7,184,544,296.40
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Double scale
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Similar ratio
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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.