Finding the Fourth Proportional to 481,142,130.08, 663,976,415.76 and 261,125,556.08
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Solution
The fourth proportional to 481,142,130.08, 663,976,415.76 and 261,125,556.08 is: 360,353,417.32
Step by Step Solution
- Step 1: Write the proportion equation
481,142,130.08 : 663,976,415.76 = 261,125,556.08 : x - Step 2: Convert to fraction form
481,142,130.08/663,976,415.76 = 261,125,556.08/x - Step 3: Cross multiply
481,142,130.08x = 663,976,415.76 × 261,125,556.08 - Step 4: Simplify right side
481,142,130.08x = 173,381,210,789,335,296 - Step 5: Solve for x
x = 173,381,210,789,335,296/481,142,130.08 - Step 6: Final answer
x = 360,353,417.32
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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.