Finding the Fourth Proportional to 423,545,906.80, 584,507,544.24 and 235,382,130.08
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Solution
The fourth proportional to 423,545,906.80, 584,507,544.24 and 235,382,130.08 is: 324,835,227.07
Step by Step Solution
- Step 1: Write the proportion equation
423,545,906.80 : 584,507,544.24 = 235,382,130.08 : x - Step 2: Convert to fraction form
423,545,906.80/584,507,544.24 = 235,382,130.08/x - Step 3: Cross multiply
423,545,906.80x = 584,507,544.24 × 235,382,130.08 - Step 4: Simplify right side
423,545,906.80x = 137,582,630,811,041,040 - Step 5: Solve for x
x = 137,582,630,811,041,040/423,545,906.80 - Step 6: Final answer
x = 324,835,227.07
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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.