Finding the Fourth Proportional to 429,255,087.70, 643,966,612.35 and 183,611,247.70
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Solution
The fourth proportional to 429,255,087.70, 643,966,612.35 and 183,611,247.70 is: 275,452,793.83
Step by Step Solution
- Step 1: Write the proportion equation
429,255,087.70 : 643,966,612.35 = 183,611,247.70 : x - Step 2: Convert to fraction form
429,255,087.70/643,966,612.35 = 183,611,247.70/x - Step 3: Cross multiply
429,255,087.70x = 643,966,612.35 × 183,611,247.70 - Step 4: Simplify right side
429,255,087.70x = 118,239,513,170,725,728 - Step 5: Solve for x
x = 118,239,513,170,725,728/429,255,087.70 - Step 6: Final answer
x = 275,452,793.83
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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.