Finding the Fourth Proportional to 455,676,162.86, 628,836,122.18 and 246,832,304.83
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Solution
The fourth proportional to 455,676,162.86, 628,836,122.18 and 246,832,304.83 is: 340,630,215.16
Step by Step Solution
- Step 1: Write the proportion equation
455,676,162.86 : 628,836,122.18 = 246,832,304.83 : x - Step 2: Convert to fraction form
455,676,162.86/628,836,122.18 = 246,832,304.83/x - Step 3: Cross multiply
455,676,162.86x = 628,836,122.18 × 246,832,304.83 - Step 4: Simplify right side
455,676,162.86x = 155,217,069,397,093,856 - Step 5: Solve for x
x = 155,217,069,397,093,856/455,676,162.86 - Step 6: Final answer
x = 340,630,215.16
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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.