Finding the Fourth Proportional to 455,063,615.74, 627,983,318.91 and 246,215,175.94
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Solution
The fourth proportional to 455,063,615.74, 627,983,318.91 and 246,215,175.94 is: 339,774,523.84
Step by Step Solution
- Step 1: Write the proportion equation
455,063,615.74 : 627,983,318.91 = 246,215,175.94 : x - Step 2: Convert to fraction form
455,063,615.74/627,983,318.91 = 246,215,175.94/x - Step 3: Cross multiply
455,063,615.74x = 627,983,318.91 × 246,215,175.94 - Step 4: Simplify right side
455,063,615.74x = 154,619,023,352,810,784 - Step 5: Solve for x
x = 154,619,023,352,810,784/455,063,615.74 - Step 6: Final answer
x = 339,774,523.84
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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.