Finding the Fourth Proportional to 426,244,352.66, 639,366,553.74 and 103,128,224.66
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Solution
The fourth proportional to 426,244,352.66, 639,366,553.74 and 103,128,224.66 is: 154,692,342.98
Step by Step Solution
- Step 1: Write the proportion equation
426,244,352.66 : 639,366,553.74 = 103,128,224.66 : x - Step 2: Convert to fraction form
426,244,352.66/639,366,553.74 = 103,128,224.66/x - Step 3: Cross multiply
426,244,352.66x = 639,366,553.74 × 103,128,224.66 - Step 4: Simplify right side
426,244,352.66x = 65,936,737,594,188,680 - Step 5: Solve for x
x = 65,936,737,594,188,680/426,244,352.66 - Step 6: Final answer
x = 154,692,342.98
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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.