Finding the Fourth Proportional to 1,624,073,864.80, 2,436,110,797.20 and 397,242,316.30
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Solution
The fourth proportional to 1,624,073,864.80, 2,436,110,797.20 and 397,242,316.30 is: 595,863,474.45
Step by Step Solution
- Step 1: Write the proportion equation
1,624,073,864.80 : 2,436,110,797.20 = 397,242,316.30 : x - Step 2: Convert to fraction form
1,624,073,864.80/2,436,110,797.20 = 397,242,316.30/x - Step 3: Cross multiply
1,624,073,864.80x = 2,436,110,797.20 × 397,242,316.30 - Step 4: Simplify right side
1,624,073,864.80x = 967,726,295,843,167,488 - Step 5: Solve for x
x = 967,726,295,843,167,488/1,624,073,864.80 - Step 6: Final answer
x = 595,863,474.45
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Similar ratio
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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.