Finding the Fourth Proportional to 393,151,201.80, 589,726,802.70 and 240,096,193.80
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Solution
The fourth proportional to 393,151,201.80, 589,726,802.70 and 240,096,193.80 is: 360,144,290.70
Step by Step Solution
- Step 1: Write the proportion equation
393,151,201.80 : 589,726,802.70 = 240,096,193.80 : x - Step 2: Convert to fraction form
393,151,201.80/589,726,802.70 = 240,096,193.80/x - Step 3: Cross multiply
393,151,201.80x = 589,726,802.70 × 240,096,193.80 - Step 4: Simplify right side
393,151,201.80x = 141,591,160,710,113,584 - Step 5: Solve for x
x = 141,591,160,710,113,584/393,151,201.80 - Step 6: Final answer
x = 360,144,290.70
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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.