Finding the Fourth Proportional to 354,297,256.17, 488,930,517.99 and 197,664,387.27
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Solution
The fourth proportional to 354,297,256.17, 488,930,517.99 and 197,664,387.27 is: 272,777,024.30
Step by Step Solution
- Step 1: Write the proportion equation
354,297,256.17 : 488,930,517.99 = 197,664,387.27 : x - Step 2: Convert to fraction form
354,297,256.17/488,930,517.99 = 197,664,387.27/x - Step 3: Cross multiply
354,297,256.17x = 488,930,517.99 × 197,664,387.27 - Step 4: Simplify right side
354,297,256.17x = 96,644,151,256,097,072 - Step 5: Solve for x
x = 96,644,151,256,097,072/354,297,256.17 - Step 6: Final answer
x = 272,777,024.30
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.