Finding the Fourth Proportional to 406,316,205.30, 560,719,233.09 and 220,677,220.99
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Solution
The fourth proportional to 406,316,205.30, 560,719,233.09 and 220,677,220.99 is: 304,536,123.59
Step by Step Solution
- Step 1: Write the proportion equation
406,316,205.30 : 560,719,233.09 = 220,677,220.99 : x - Step 2: Convert to fraction form
406,316,205.30/560,719,233.09 = 220,677,220.99/x - Step 3: Cross multiply
406,316,205.30x = 560,719,233.09 × 220,677,220.99 - Step 4: Simplify right side
406,316,205.30x = 123,737,962,112,107,200 - Step 5: Solve for x
x = 123,737,962,112,107,200/406,316,205.30 - Step 6: Final answer
x = 304,536,123.59
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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.