Finding the Fourth Proportional to 2,156,092,478.79, 2,975,416,584.39 and 1,166,017,895.79
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Solution
The fourth proportional to 2,156,092,478.79, 2,975,416,584.39 and 1,166,017,895.79 is: 1,609,109,543.75
Step by Step Solution
- Step 1: Write the proportion equation
2,156,092,478.79 : 2,975,416,584.39 = 1,166,017,895.79 : x - Step 2: Convert to fraction form
2,156,092,478.79/2,975,416,584.39 = 1,166,017,895.79/x - Step 3: Cross multiply
2,156,092,478.79x = 2,975,416,584.39 × 1,166,017,895.79 - Step 4: Simplify right side
2,156,092,478.79x = 3,469,388,984,829,096,448 - Step 5: Solve for x
x = 3,469,388,984,829,096,448/2,156,092,478.79 - Step 6: Final answer
x = 1,609,109,543.75
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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.