Finding the Fourth Proportional to 472,362,786.75, 651,860,926.33 and 263,518,929.63
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Solution
The fourth proportional to 472,362,786.75, 651,860,926.33 and 263,518,929.63 is: 363,656,279.43
Step by Step Solution
- Step 1: Write the proportion equation
472,362,786.75 : 651,860,926.33 = 263,518,929.63 : x - Step 2: Convert to fraction form
472,362,786.75/651,860,926.33 = 263,518,929.63/x - Step 3: Cross multiply
472,362,786.75x = 651,860,926.33 × 263,518,929.63 - Step 4: Simplify right side
472,362,786.75x = 171,777,693,570,842,592 - Step 5: Solve for x
x = 171,777,693,570,842,592/472,362,786.75 - Step 6: Final answer
x = 363,656,279.43
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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.