Finding the Fourth Proportional to 620,504,794.52, 856,347,807.44 and 356,237,785.65
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Solution
The fourth proportional to 620,504,794.52, 856,347,807.44 and 356,237,785.65 is: 491,637,533.45
Step by Step Solution
- Step 1: Write the proportion equation
620,504,794.52 : 856,347,807.44 = 356,237,785.65 : x - Step 2: Convert to fraction form
620,504,794.52/856,347,807.44 = 356,237,785.65/x - Step 3: Cross multiply
620,504,794.52x = 856,347,807.44 × 356,237,785.65 - Step 4: Simplify right side
620,504,794.52x = 305,063,446,669,548,736 - Step 5: Solve for x
x = 305,063,446,669,548,736/620,504,794.52 - Step 6: Final answer
x = 491,637,533.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.