Finding the Fourth Proportional to 353,989,738.35, 488,507,885.96 and 197,366,596.11
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Solution
The fourth proportional to 353,989,738.35, 488,507,885.96 and 197,366,596.11 is: 272,367,043.95
Step by Step Solution
- Step 1: Write the proportion equation
353,989,738.35 : 488,507,885.96 = 197,366,596.11 : x - Step 2: Convert to fraction form
353,989,738.35/488,507,885.96 = 197,366,596.11/x - Step 3: Cross multiply
353,989,738.35x = 488,507,885.96 × 197,366,596.11 - Step 4: Simplify right side
353,989,738.35x = 96,415,138,623,830,432 - Step 5: Solve for x
x = 96,415,138,623,830,432/353,989,738.35 - Step 6: Final answer
x = 272,367,043.95
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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.