Finding the Fourth Proportional to 442,869,768.90, 664,304,653.35 and 136,122,023.70
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Solution
The fourth proportional to 442,869,768.90, 664,304,653.35 and 136,122,023.70 is: 204,183,035.55
Step by Step Solution
- Step 1: Write the proportion equation
442,869,768.90 : 664,304,653.35 = 136,122,023.70 : x - Step 2: Convert to fraction form
442,869,768.90/664,304,653.35 = 136,122,023.70/x - Step 3: Cross multiply
442,869,768.90x = 664,304,653.35 × 136,122,023.70 - Step 4: Simplify right side
442,869,768.90x = 90,426,493,767,328,976 - Step 5: Solve for x
x = 90,426,493,767,328,976/442,869,768.90 - Step 6: Final answer
x = 204,183,035.55
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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.