Finding the Fourth Proportional to 949,402,290.40, 1,424,264,224.08 and 327,448,650.72
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Solution
The fourth proportional to 949,402,290.40, 1,424,264,224.08 and 327,448,650.72 is: 491,228,431.99
Step by Step Solution
- Step 1: Write the proportion equation
949,402,290.40 : 1,424,264,224.08 = 327,448,650.72 : x - Step 2: Convert to fraction form
949,402,290.40/1,424,264,224.08 = 327,448,650.72/x - Step 3: Cross multiply
949,402,290.40x = 1,424,264,224.08 × 327,448,650.72 - Step 4: Simplify right side
949,402,290.40x = 466,373,398,443,763,776 - Step 5: Solve for x
x = 466,373,398,443,763,776/949,402,290.40 - Step 6: Final answer
x = 491,228,431.99
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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.