Finding the Fourth Proportional to 5,277,262,457.16, 7,914,135,910.01 and 2,128,663,848.60
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Solution
The fourth proportional to 5,277,262,457.16, 7,914,135,910.01 and 2,128,663,848.60 is: 3,192,286,747.40
Step by Step Solution
- Step 1: Write the proportion equation
5,277,262,457.16 : 7,914,135,910.01 = 2,128,663,848.60 : x - Step 2: Convert to fraction form
5,277,262,457.16/7,914,135,910.01 = 2,128,663,848.60/x - Step 3: Cross multiply
5,277,262,457.16x = 7,914,135,910.01 × 2,128,663,848.60 - Step 4: Simplify right side
5,277,262,457.16x = 16,846,535,004,534,706,176 - Step 5: Solve for x
x = 16,846,535,004,534,706,176/5,277,262,457.16 - Step 6: Final answer
x = 3,192,286,747.40
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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.