Finding the Fourth Proportional to 1,177,168,494.12, 1,765,743,882.72 and 303,695,609.44
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Solution
The fourth proportional to 1,177,168,494.12, 1,765,743,882.72 and 303,695,609.44 is: 455,541,128.78
Step by Step Solution
- Step 1: Write the proportion equation
1,177,168,494.12 : 1,765,743,882.72 = 303,695,609.44 : x - Step 2: Convert to fraction form
1,177,168,494.12/1,765,743,882.72 = 303,695,609.44/x - Step 3: Cross multiply
1,177,168,494.12x = 1,765,743,882.72 × 303,695,609.44 - Step 4: Simplify right side
1,177,168,494.12x = 536,248,664,577,602,304 - Step 5: Solve for x
x = 536,248,664,577,602,304/1,177,168,494.12 - Step 6: Final answer
x = 455,541,128.78
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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.