Finding the Fourth Proportional to 488,561,970.74, 674,212,374.92 and 279,758,469.74
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Solution
The fourth proportional to 488,561,970.74, 674,212,374.92 and 279,758,469.74 is: 386,064,887.53
Step by Step Solution
- Step 1: Write the proportion equation
488,561,970.74 : 674,212,374.92 = 279,758,469.74 : x - Step 2: Convert to fraction form
488,561,970.74/674,212,374.92 = 279,758,469.74/x - Step 3: Cross multiply
488,561,970.74x = 674,212,374.92 × 279,758,469.74 - Step 4: Simplify right side
488,561,970.74x = 188,616,622,287,390,336 - Step 5: Solve for x
x = 188,616,622,287,390,336/488,561,970.74 - Step 6: Final answer
x = 386,064,887.53
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