Finding the Fourth Proportional to 851,810,979.99, 1,175,510,573.82 and 480,531,863.19
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Solution
The fourth proportional to 851,810,979.99, 1,175,510,573.82 and 480,531,863.19 is: 663,140,414.37
Step by Step Solution
- Step 1: Write the proportion equation
851,810,979.99 : 1,175,510,573.82 = 480,531,863.19 : x - Step 2: Convert to fraction form
851,810,979.99/1,175,510,573.82 = 480,531,863.19/x - Step 3: Cross multiply
851,810,979.99x = 1,175,510,573.82 × 480,531,863.19 - Step 4: Simplify right side
851,810,979.99x = 564,870,286,237,270,592 - Step 5: Solve for x
x = 564,870,286,237,270,592/851,810,979.99 - Step 6: Final answer
x = 663,140,414.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.