Finding the Fourth Proportional to 636,368,881,175.58, 879,337,797,621.99 and 453,147,890,879.58
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Solution
The fourth proportional to 636,368,881,175.58, 879,337,797,621.99 and 453,147,890,879.58 is: 626,162,089,552.52
Step by Step Solution
- Step 1: Write the proportion equation
636,368,881,175.58 : 879,337,797,621.99 = 453,147,890,879.58 : x - Step 2: Convert to fraction form
636,368,881,175.58/879,337,797,621.99 = 453,147,890,879.58/x - Step 3: Cross multiply
636,368,881,175.58x = 879,337,797,621.99 × 453,147,890,879.58 - Step 4: Simplify right side
636,368,881,175.58x = 398,470,068,363,099,704,918,016 - Step 5: Solve for x
x = 398,470,068,363,099,704,918,016/636,368,881,175.58 - Step 6: Final answer
x = 626,162,089,552.52
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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.