Finding the Fourth Proportional to 857,943,634.20, 1,286,915,451.30 and 244,448,143.80
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Solution
The fourth proportional to 857,943,634.20, 1,286,915,451.30 and 244,448,143.80 is: 366,672,215.70
Step by Step Solution
- Step 1: Write the proportion equation
857,943,634.20 : 1,286,915,451.30 = 244,448,143.80 : x - Step 2: Convert to fraction form
857,943,634.20/1,286,915,451.30 = 244,448,143.80/x - Step 3: Cross multiply
857,943,634.20x = 1,286,915,451.30 × 244,448,143.80 - Step 4: Simplify right side
857,943,634.20x = 314,584,093,297,824,320 - Step 5: Solve for x
x = 314,584,093,297,824,320/857,943,634.20 - Step 6: Final answer
x = 366,672,215.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.