Finding the Fourth Proportional to 358,573,228.80, 537,859,843.20 and 327,962,227.20
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Solution
The fourth proportional to 358,573,228.80, 537,859,843.20 and 327,962,227.20 is: 491,943,340.80
Step by Step Solution
- Step 1: Write the proportion equation
358,573,228.80 : 537,859,843.20 = 327,962,227.20 : x - Step 2: Convert to fraction form
358,573,228.80/537,859,843.20 = 327,962,227.20/x - Step 3: Cross multiply
358,573,228.80x = 537,859,843.20 × 327,962,227.20 - Step 4: Simplify right side
358,573,228.80x = 176,397,712,097,314,784 - Step 5: Solve for x
x = 176,397,712,097,314,784/358,573,228.80 - Step 6: Final answer
x = 491,943,340.80
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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.