Finding the Fourth Proportional to 5,038,387,729.60, 7,552,038,861.60 and 1,765,152,068.80
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Solution
The fourth proportional to 5,038,387,729.60, 7,552,038,861.60 and 1,765,152,068.80 is: 2,645,786,258.55
Step by Step Solution
- Step 1: Write the proportion equation
5,038,387,729.60 : 7,552,038,861.60 = 1,765,152,068.80 : x - Step 2: Convert to fraction form
5,038,387,729.60/7,552,038,861.60 = 1,765,152,068.80/x - Step 3: Cross multiply
5,038,387,729.60x = 7,552,038,861.60 × 1,765,152,068.80 - Step 4: Simplify right side
5,038,387,729.60x = 13,330,497,020,211,236,864 - Step 5: Solve for x
x = 13,330,497,020,211,236,864/5,038,387,729.60 - Step 6: Final answer
x = 2,645,786,258.55
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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.