Finding the Fourth Proportional to 522,963,635.84, 721,768,276.80 and 397,309,058.24
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Solution
The fourth proportional to 522,963,635.84, 721,768,276.80 and 397,309,058.24 is: 548,346,107.97
Step by Step Solution
- Step 1: Write the proportion equation
522,963,635.84 : 721,768,276.80 = 397,309,058.24 : x - Step 2: Convert to fraction form
522,963,635.84/721,768,276.80 = 397,309,058.24/x - Step 3: Cross multiply
522,963,635.84x = 721,768,276.80 × 397,309,058.24 - Step 4: Simplify right side
522,963,635.84x = 286,765,074,322,915,616 - Step 5: Solve for x
x = 286,765,074,322,915,616/522,963,635.84 - Step 6: Final answer
x = 548,346,107.97
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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.