Finding the Fourth Proportional to 403,596,166.02, 556,962,704.53 and 217,957,181.70
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Solution
The fourth proportional to 403,596,166.02, 556,962,704.53 and 217,957,181.70 is: 300,780,908.28
Step by Step Solution
- Step 1: Write the proportion equation
403,596,166.02 : 556,962,704.53 = 217,957,181.70 : x - Step 2: Convert to fraction form
403,596,166.02/556,962,704.53 = 217,957,181.70/x - Step 3: Cross multiply
403,596,166.02x = 556,962,704.53 × 217,957,181.70 - Step 4: Simplify right side
403,596,166.02x = 121,394,021,394,440,224 - Step 5: Solve for x
x = 121,394,021,394,440,224/403,596,166.02 - Step 6: Final answer
x = 300,780,908.28
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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.