Finding the Fourth Proportional to 358,575,902.80, 537,863,854.20 and 327,964,901.20
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Solution
The fourth proportional to 358,575,902.80, 537,863,854.20 and 327,964,901.20 is: 491,947,351.80
Step by Step Solution
- Step 1: Write the proportion equation
358,575,902.80 : 537,863,854.20 = 327,964,901.20 : x - Step 2: Convert to fraction form
358,575,902.80/537,863,854.20 = 327,964,901.20/x - Step 3: Cross multiply
358,575,902.80x = 537,863,854.20 × 327,964,901.20 - Step 4: Simplify right side
358,575,902.80x = 176,400,465,801,754,208 - Step 5: Solve for x
x = 176,400,465,801,754,208/358,575,902.80 - Step 6: Final answer
x = 491,947,351.80
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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.