Finding the Fourth Proportional to 358,775,575.80, 538,163,363.70 and 358,775,575.80
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Solution
The fourth proportional to 358,775,575.80, 538,163,363.70 and 358,775,575.80 is: 538,163,363.70
Step by Step Solution
- Step 1: Write the proportion equation
358,775,575.80 : 538,163,363.70 = 358,775,575.80 : x - Step 2: Convert to fraction form
358,775,575.80/538,163,363.70 = 358,775,575.80/x - Step 3: Cross multiply
358,775,575.80x = 538,163,363.70 × 358,775,575.80 - Step 4: Simplify right side
358,775,575.80x = 193,079,870,685,932,352 - Step 5: Solve for x
x = 193,079,870,685,932,352/358,775,575.80 - Step 6: Final answer
x = 538,163,363.70
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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.