Finding the Fourth Proportional to 353,727,334.42, 488,145,658.05 and 205,136,555.38
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Solution
The fourth proportional to 353,727,334.42, 488,145,658.05 and 205,136,555.38 is: 283,089,569.49
Step by Step Solution
- Step 1: Write the proportion equation
353,727,334.42 : 488,145,658.05 = 205,136,555.38 : x - Step 2: Convert to fraction form
353,727,334.42/488,145,658.05 = 205,136,555.38/x - Step 3: Cross multiply
353,727,334.42x = 488,145,658.05 × 205,136,555.38 - Step 4: Simplify right side
353,727,334.42x = 100,136,518,816,080,368 - Step 5: Solve for x
x = 100,136,518,816,080,368/353,727,334.42 - Step 6: Final answer
x = 283,089,569.49
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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.