Finding the Fourth Proportional to 38,625,512,221.01, 53,303,251,056.05 and 21,477,997,337.63
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Solution
The fourth proportional to 38,625,512,221.01, 53,303,251,056.05 and 21,477,997,337.63 is: 29,639,660,898.69
Step by Step Solution
- Step 1: Write the proportion equation
38,625,512,221.01 : 53,303,251,056.05 = 21,477,997,337.63 : x - Step 2: Convert to fraction form
38,625,512,221.01/53,303,251,056.05 = 21,477,997,337.63/x - Step 3: Cross multiply
38,625,512,221.01x = 53,303,251,056.05 × 21,477,997,337.63 - Step 4: Simplify right side
38,625,512,221.01x = 1,144,847,084,268,993,511,424 - Step 5: Solve for x
x = 1,144,847,084,268,993,511,424/38,625,512,221.01 - Step 6: Final answer
x = 29,639,660,898.69
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Double scale
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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.