Finding the Fourth Proportional to 314,928,286.70, 472,392,430.05 and 283,183,544.30
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Solution
The fourth proportional to 314,928,286.70, 472,392,430.05 and 283,183,544.30 is: 424,775,316.45
Step by Step Solution
- Step 1: Write the proportion equation
314,928,286.70 : 472,392,430.05 = 283,183,544.30 : x - Step 2: Convert to fraction form
314,928,286.70/472,392,430.05 = 283,183,544.30/x - Step 3: Cross multiply
314,928,286.70x = 472,392,430.05 × 283,183,544.30 - Step 4: Simplify right side
314,928,286.70x = 133,773,762,642,048,832 - Step 5: Solve for x
x = 133,773,762,642,048,832/314,928,286.70 - Step 6: Final answer
x = 424,775,316.45
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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.