Finding the Fourth Proportional to 7,838,202,071.64, 10,816,714,090.06 and 4,317,936,887.64
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Solution
The fourth proportional to 7,838,202,071.64, 10,816,714,090.06 and 4,317,936,887.64 is: 5,958,750,277.89
Step by Step Solution
- Step 1: Write the proportion equation
7,838,202,071.64 : 10,816,714,090.06 = 4,317,936,887.64 : x - Step 2: Convert to fraction form
7,838,202,071.64/10,816,714,090.06 = 4,317,936,887.64/x - Step 3: Cross multiply
7,838,202,071.64x = 10,816,714,090.06 × 4,317,936,887.64 - Step 4: Simplify right side
7,838,202,071.64x = 46,705,888,772,525,416,448 - Step 5: Solve for x
x = 46,705,888,772,525,416,448/7,838,202,071.64 - Step 6: Final answer
x = 5,958,750,277.89
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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.