Finding the Fourth Proportional to 7,838,202,057.56, 10,816,714,070.70 and 4,317,936,873.56
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Solution
The fourth proportional to 7,838,202,057.56, 10,816,714,070.70 and 4,317,936,873.56 is: 5,958,750,258.50
Step by Step Solution
- Step 1: Write the proportion equation
7,838,202,057.56 : 10,816,714,070.70 = 4,317,936,873.56 : x - Step 2: Convert to fraction form
7,838,202,057.56/10,816,714,070.70 = 4,317,936,873.56/x - Step 3: Cross multiply
7,838,202,057.56x = 10,816,714,070.70 × 4,317,936,873.56 - Step 4: Simplify right side
7,838,202,057.56x = 46,705,888,536,630,829,056 - Step 5: Solve for x
x = 46,705,888,536,630,829,056/7,838,202,057.56 - Step 6: Final answer
x = 5,958,750,258.50
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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.