Finding the Fourth Proportional to 664,273,116.90, 996,409,675.35 and 354,336,725.70
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Solution
The fourth proportional to 664,273,116.90, 996,409,675.35 and 354,336,725.70 is: 531,505,088.55
Step by Step Solution
- Step 1: Write the proportion equation
664,273,116.90 : 996,409,675.35 = 354,336,725.70 : x - Step 2: Convert to fraction form
664,273,116.90/996,409,675.35 = 354,336,725.70/x - Step 3: Cross multiply
664,273,116.90x = 996,409,675.35 × 354,336,725.70 - Step 4: Simplify right side
664,273,116.90x = 353,064,541,819,318,976 - Step 5: Solve for x
x = 353,064,541,819,318,976/664,273,116.90 - Step 6: Final answer
x = 531,505,088.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.