Finding the Fourth Proportional to 946,846,056.99, 1,306,687,912.13 and 529,158,329.99
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Solution
The fourth proportional to 946,846,056.99, 1,306,687,912.13 and 529,158,329.99 is: 730,261,047.50
Step by Step Solution
- Step 1: Write the proportion equation
946,846,056.99 : 1,306,687,912.13 = 529,158,329.99 : x - Step 2: Convert to fraction form
946,846,056.99/1,306,687,912.13 = 529,158,329.99/x - Step 3: Cross multiply
946,846,056.99x = 1,306,687,912.13 × 529,158,329.99 - Step 4: Simplify right side
946,846,056.99x = 691,444,793,400,520,192 - Step 5: Solve for x
x = 691,444,793,400,520,192/946,846,056.99 - Step 6: Final answer
x = 730,261,047.50
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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.