Finding the Fourth Proportional to 358,711,239.80, 538,066,859.70 and 177,312,711.80
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Solution
The fourth proportional to 358,711,239.80, 538,066,859.70 and 177,312,711.80 is: 265,969,067.70
Step by Step Solution
- Step 1: Write the proportion equation
358,711,239.80 : 538,066,859.70 = 177,312,711.80 : x - Step 2: Convert to fraction form
358,711,239.80/538,066,859.70 = 177,312,711.80/x - Step 3: Cross multiply
358,711,239.80x = 538,066,859.70 × 177,312,711.80 - Step 4: Simplify right side
358,711,239.80x = 95,406,094,023,117,152 - Step 5: Solve for x
x = 95,406,094,023,117,152/358,711,239.80 - Step 6: Final answer
x = 265,969,067.70
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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.