Finding the Fourth Proportional to 328,938,841.16, 493,059,344.11 and 153,914,412.14
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Solution
The fourth proportional to 328,938,841.16, 493,059,344.11 and 153,914,412.14 is: 230,708,355.48
Step by Step Solution
- Step 1: Write the proportion equation
328,938,841.16 : 493,059,344.11 = 153,914,412.14 : x - Step 2: Convert to fraction form
328,938,841.16/493,059,344.11 = 153,914,412.14/x - Step 3: Cross multiply
328,938,841.16x = 493,059,344.11 × 153,914,412.14 - Step 4: Simplify right side
328,938,841.16x = 75,888,939,095,589,744 - Step 5: Solve for x
x = 75,888,939,095,589,744/328,938,841.16 - Step 6: Final answer
x = 230,708,355.48
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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.