Finding the Fourth Proportional to 479,312,201.80, 718,968,302.70 and 246,859,908.40
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Solution
The fourth proportional to 479,312,201.80, 718,968,302.70 and 246,859,908.40 is: 370,289,862.60
Step by Step Solution
- Step 1: Write the proportion equation
479,312,201.80 : 718,968,302.70 = 246,859,908.40 : x - Step 2: Convert to fraction form
479,312,201.80/718,968,302.70 = 246,859,908.40/x - Step 3: Cross multiply
479,312,201.80x = 718,968,302.70 × 246,859,908.40 - Step 4: Simplify right side
479,312,201.80x = 177,484,449,347,025,504 - Step 5: Solve for x
x = 177,484,449,347,025,504/479,312,201.80 - Step 6: Final answer
x = 370,289,862.60
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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.