Finding the Fourth Proportional to 413,873,572.90, 620,812,601.03 and 122,743,218.09
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Solution
The fourth proportional to 413,873,572.90, 620,812,601.03 and 122,743,218.09 is: 184,115,491.95
Step by Step Solution
- Step 1: Write the proportion equation
413,873,572.90 : 620,812,601.03 = 122,743,218.09 : x - Step 2: Convert to fraction form
413,873,572.90/620,812,601.03 = 122,743,218.09/x - Step 3: Cross multiply
413,873,572.90x = 620,812,601.03 × 122,743,218.09 - Step 4: Simplify right side
413,873,572.90x = 76,200,536,481,245,440 - Step 5: Solve for x
x = 76,200,536,481,245,440/413,873,572.90 - Step 6: Final answer
x = 184,115,491.95
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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.