Finding the Fourth Proportional to 2,505,082,129.67, 3,457,021,416.85 and 1,391,248,223.80
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Solution
The fourth proportional to 2,505,082,129.67, 3,457,021,416.85 and 1,391,248,223.80 is: 1,919,927,035.07
Step by Step Solution
- Step 1: Write the proportion equation
2,505,082,129.67 : 3,457,021,416.85 = 1,391,248,223.80 : x - Step 2: Convert to fraction form
2,505,082,129.67/3,457,021,416.85 = 1,391,248,223.80/x - Step 3: Cross multiply
2,505,082,129.67x = 3,457,021,416.85 × 1,391,248,223.80 - Step 4: Simplify right side
2,505,082,129.67x = 4,809,574,905,824,287,744 - Step 5: Solve for x
x = 4,809,574,905,824,287,744/2,505,082,129.67 - Step 6: Final answer
x = 1,919,927,035.07
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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.