Finding the Fourth Proportional to 5,038,861,203.70, 7,558,291,805.55 and 4,716,374,931.70
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Solution
The fourth proportional to 5,038,861,203.70, 7,558,291,805.55 and 4,716,374,931.70 is: 7,074,562,397.55
Step by Step Solution
- Step 1: Write the proportion equation
5,038,861,203.70 : 7,558,291,805.55 = 4,716,374,931.70 : x - Step 2: Convert to fraction form
5,038,861,203.70/7,558,291,805.55 = 4,716,374,931.70/x - Step 3: Cross multiply
5,038,861,203.70x = 7,558,291,805.55 × 4,716,374,931.70 - Step 4: Simplify right side
5,038,861,203.70x = 35,647,737,998,169,550,848 - Step 5: Solve for x
x = 35,647,737,998,169,550,848/5,038,861,203.70 - Step 6: Final answer
x = 7,074,562,397.55
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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.