Finding the Fourth Proportional to 347,646,423.27, 521,469,822.16 and 129,268,389.99
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Solution
The fourth proportional to 347,646,423.27, 521,469,822.16 and 129,268,389.99 is: 193,902,654.61
Step by Step Solution
- Step 1: Write the proportion equation
347,646,423.27 : 521,469,822.16 = 129,268,389.99 : x - Step 2: Convert to fraction form
347,646,423.27/521,469,822.16 = 129,268,389.99/x - Step 3: Cross multiply
347,646,423.27x = 521,469,822.16 × 129,268,389.99 - Step 4: Simplify right side
347,646,423.27x = 67,409,564,338,994,824 - Step 5: Solve for x
x = 67,409,564,338,994,824/347,646,423.27 - Step 6: Final answer
x = 193,902,654.61
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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.