Finding the Fourth Proportional to 330,712,482.81, 456,379,604.53 and 182,030,425.05
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Solution
The fourth proportional to 330,712,482.81, 456,379,604.53 and 182,030,425.05 is: 251,199,993.09
Step by Step Solution
- Step 1: Write the proportion equation
330,712,482.81 : 456,379,604.53 = 182,030,425.05 : x - Step 2: Convert to fraction form
330,712,482.81/456,379,604.53 = 182,030,425.05/x - Step 3: Cross multiply
330,712,482.81x = 456,379,604.53 × 182,030,425.05 - Step 4: Simplify right side
330,712,482.81x = 83,074,973,396,291,728 - Step 5: Solve for x
x = 83,074,973,396,291,728/330,712,482.81 - Step 6: Final answer
x = 251,199,993.09
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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.