Finding the Fourth Proportional to 455,408,233.62, 628,455,741.57 and 246,562,680.66
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Solution
The fourth proportional to 455,408,233.62, 628,455,741.57 and 246,562,680.66 is: 340,252,373.32
Step by Step Solution
- Step 1: Write the proportion equation
455,408,233.62 : 628,455,741.57 = 246,562,680.66 : x - Step 2: Convert to fraction form
455,408,233.62/628,455,741.57 = 246,562,680.66/x - Step 3: Cross multiply
455,408,233.62x = 628,455,741.57 × 246,562,680.66 - Step 4: Simplify right side
455,408,233.62x = 154,953,732,317,667,392 - Step 5: Solve for x
x = 154,953,732,317,667,392/455,408,233.62 - Step 6: Final answer
x = 340,252,373.32
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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.