Finding the Fourth Proportional to 627,659,423, 866,177,972.36 and 345,434,358.68
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Solution
The fourth proportional to 627,659,423, 866,177,972.36 and 345,434,358.68 is: 476,703,800.53
Step by Step Solution
- Step 1: Write the proportion equation
627,659,423 : 866,177,972.36 = 345,434,358.68 : x - Step 2: Convert to fraction form
627,659,423/866,177,972.36 = 345,434,358.68/x - Step 3: Cross multiply
627,659,423x = 866,177,972.36 × 345,434,358.68 - Step 4: Simplify right side
627,659,423x = 299,207,632,384,919,360 - Step 5: Solve for x
x = 299,207,632,384,919,360/627,659,423 - Step 6: Final answer
x = 476,703,800.53
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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.