Finding the Fourth Proportional to 342,816,365.18, 473,117,434.04 and 194,173,646.08
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Solution
The fourth proportional to 342,816,365.18, 473,117,434.04 and 194,173,646.08 is: 267,977,105.30
Step by Step Solution
- Step 1: Write the proportion equation
342,816,365.18 : 473,117,434.04 = 194,173,646.08 : x - Step 2: Convert to fraction form
342,816,365.18/473,117,434.04 = 194,173,646.08/x - Step 3: Cross multiply
342,816,365.18x = 473,117,434.04 × 194,173,646.08 - Step 4: Simplify right side
342,816,365.18x = 91,866,937,191,560,720 - Step 5: Solve for x
x = 91,866,937,191,560,720/342,816,365.18 - Step 6: Final answer
x = 267,977,105.30
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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.