Finding the Fourth Proportional to 355,568,106.58, 536,017,215.81 and 331,865,837.98
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Solution
The fourth proportional to 355,568,106.58, 536,017,215.81 and 331,865,837.98 is: 500,286,159.54
Step by Step Solution
- Step 1: Write the proportion equation
355,568,106.58 : 536,017,215.81 = 331,865,837.98 : x - Step 2: Convert to fraction form
355,568,106.58/536,017,215.81 = 331,865,837.98/x - Step 3: Cross multiply
355,568,106.58x = 536,017,215.81 × 331,865,837.98 - Step 4: Simplify right side
355,568,106.58x = 177,885,802,494,538,176 - Step 5: Solve for x
x = 177,885,802,494,538,176/355,568,106.58 - Step 6: Final answer
x = 500,286,159.54
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.