Finding the Fourth Proportional to 768,012,291.08, 1,059,858,804.04 and 415,592,063.48
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Solution
The fourth proportional to 768,012,291.08, 1,059,858,804.04 and 415,592,063.48 is: 573,518,044.55
Step by Step Solution
- Step 1: Write the proportion equation
768,012,291.08 : 1,059,858,804.04 = 415,592,063.48 : x - Step 2: Convert to fraction form
768,012,291.08/1,059,858,804.04 = 415,592,063.48/x - Step 3: Cross multiply
768,012,291.08x = 1,059,858,804.04 × 415,592,063.48 - Step 4: Simplify right side
768,012,291.08x = 440,468,907,368,428,544 - Step 5: Solve for x
x = 440,468,907,368,428,544/768,012,291.08 - Step 6: Final answer
x = 573,518,044.55
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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.