Finding the Fourth Proportional to 406,298,522.19, 560,726,539.65 and 230,117,859.12
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Solution
The fourth proportional to 406,298,522.19, 560,726,539.65 and 230,117,859.12 is: 317,582,230.33
Step by Step Solution
- Step 1: Write the proportion equation
406,298,522.19 : 560,726,539.65 = 230,117,859.12 : x - Step 2: Convert to fraction form
406,298,522.19/560,726,539.65 = 230,117,859.12/x - Step 3: Cross multiply
406,298,522.19x = 560,726,539.65 × 230,117,859.12 - Step 4: Simplify right side
406,298,522.19x = 129,033,190,856,023,792 - Step 5: Solve for x
x = 129,033,190,856,023,792/406,298,522.19 - Step 6: Final answer
x = 317,582,230.33
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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.