Finding the Fourth Proportional to 454,172,138.06, 626,757,825.10 and 245,328,372.97
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Solution
The fourth proportional to 454,172,138.06, 626,757,825.10 and 245,328,372.97 is: 338,553,303.02
Step by Step Solution
- Step 1: Write the proportion equation
454,172,138.06 : 626,757,825.10 = 245,328,372.97 : x - Step 2: Convert to fraction form
454,172,138.06/626,757,825.10 = 245,328,372.97/x - Step 3: Cross multiply
454,172,138.06x = 626,757,825.10 × 245,328,372.97 - Step 4: Simplify right side
454,172,138.06x = 153,761,477,477,998,848 - Step 5: Solve for x
x = 153,761,477,477,998,848/454,172,138.06 - Step 6: Final answer
x = 338,553,303.02
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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.