Finding the Fourth Proportional to 260,361,178.20, 390,541,786.74 and 202,896,460.44
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Solution
The fourth proportional to 260,361,178.20, 390,541,786.74 and 202,896,460.44 is: 304,344,705.81
Step by Step Solution
- Step 1: Write the proportion equation
260,361,178.20 : 390,541,786.74 = 202,896,460.44 : x - Step 2: Convert to fraction form
260,361,178.20/390,541,786.74 = 202,896,460.44/x - Step 3: Cross multiply
260,361,178.20x = 390,541,786.74 × 202,896,460.44 - Step 4: Simplify right side
260,361,178.20x = 79,239,546,183,459,328 - Step 5: Solve for x
x = 79,239,546,183,459,328/260,361,178.20 - Step 6: Final answer
x = 304,344,705.81
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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.