Finding the Fourth Proportional to 576,024,415.20, 864,036,622.80 and 145,202,911.20
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Solution
The fourth proportional to 576,024,415.20, 864,036,622.80 and 145,202,911.20 is: 217,804,366.80
Step by Step Solution
- Step 1: Write the proportion equation
576,024,415.20 : 864,036,622.80 = 145,202,911.20 : x - Step 2: Convert to fraction form
576,024,415.20/864,036,622.80 = 145,202,911.20/x - Step 3: Cross multiply
576,024,415.20x = 864,036,622.80 × 145,202,911.20 - Step 4: Simplify right side
576,024,415.20x = 125,460,633,013,976,272 - Step 5: Solve for x
x = 125,460,633,013,976,272/576,024,415.20 - Step 6: Final answer
x = 217,804,366.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.