Finding the Fourth Proportional to 946,957,893.34, 1,306,847,440.08 and 523,563,720.19
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Solution
The fourth proportional to 946,957,893.34, 1,306,847,440.08 and 523,563,720.19 is: 722,543,116.50
Step by Step Solution
- Step 1: Write the proportion equation
946,957,893.34 : 1,306,847,440.08 = 523,563,720.19 : x - Step 2: Convert to fraction form
946,957,893.34/1,306,847,440.08 = 523,563,720.19/x - Step 3: Cross multiply
946,957,893.34x = 1,306,847,440.08 × 523,563,720.19 - Step 4: Simplify right side
946,957,893.34x = 684,217,907,449,062,912 - Step 5: Solve for x
x = 684,217,907,449,062,912/946,957,893.34 - Step 6: Final answer
x = 722,543,116.50
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.