Finding the Fourth Proportional to 399,177,072.40, 598,765,608.60 and 369,317,232.40
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Solution
The fourth proportional to 399,177,072.40, 598,765,608.60 and 369,317,232.40 is: 553,975,848.60
Step by Step Solution
- Step 1: Write the proportion equation
399,177,072.40 : 598,765,608.60 = 369,317,232.40 : x - Step 2: Convert to fraction form
399,177,072.40/598,765,608.60 = 369,317,232.40/x - Step 3: Cross multiply
399,177,072.40x = 598,765,608.60 × 369,317,232.40 - Step 4: Simplify right side
399,177,072.40x = 221,134,457,424,453,632 - Step 5: Solve for x
x = 221,134,457,424,453,632/399,177,072.40 - Step 6: Final answer
x = 553,975,848.60
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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.