Finding the Fourth Proportional to 314,928,368.70, 472,392,553.05 and 284,695,280.70
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Solution
The fourth proportional to 314,928,368.70, 472,392,553.05 and 284,695,280.70 is: 427,042,921.05
Step by Step Solution
- Step 1: Write the proportion equation
314,928,368.70 : 472,392,553.05 = 284,695,280.70 : x - Step 2: Convert to fraction form
314,928,368.70/472,392,553.05 = 284,695,280.70/x - Step 3: Cross multiply
314,928,368.70x = 472,392,553.05 × 284,695,280.70 - Step 4: Simplify right side
314,928,368.70x = 134,487,930,491,159,392 - Step 5: Solve for x
x = 134,487,930,491,159,392/314,928,368.70 - Step 6: Final answer
x = 427,042,921.05
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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.