Finding the Fourth Proportional to 651,529,074.97, 899,103,735.86 and 354,153,623.97
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Solution
The fourth proportional to 651,529,074.97, 899,103,735.86 and 354,153,623.97 is: 488,728,528.95
Step by Step Solution
- Step 1: Write the proportion equation
651,529,074.97 : 899,103,735.86 = 354,153,623.97 : x - Step 2: Convert to fraction form
651,529,074.97/899,103,735.86 = 354,153,623.97/x - Step 3: Cross multiply
651,529,074.97x = 899,103,735.86 × 354,153,623.97 - Step 4: Simplify right side
651,529,074.97x = 318,420,846,378,013,888 - Step 5: Solve for x
x = 318,420,846,378,013,888/651,529,074.97 - Step 6: Final answer
x = 488,728,528.95
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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.