Finding the Fourth Proportional to 1,879,809,836.58, 2,594,207,584.53 and 1,127,245,536.63
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Solution
The fourth proportional to 1,879,809,836.58, 2,594,207,584.53 and 1,127,245,536.63 is: 1,555,640,822.73
Step by Step Solution
- Step 1: Write the proportion equation
1,879,809,836.58 : 2,594,207,584.53 = 1,127,245,536.63 : x - Step 2: Convert to fraction form
1,879,809,836.58/2,594,207,584.53 = 1,127,245,536.63/x - Step 3: Cross multiply
1,879,809,836.58x = 2,594,207,584.53 × 1,127,245,536.63 - Step 4: Simplify right side
1,879,809,836.58x = 2,924,308,920,753,136,640 - Step 5: Solve for x
x = 2,924,308,920,753,136,640/1,879,809,836.58 - Step 6: Final answer
x = 1,555,640,822.73
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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.