Finding the Fourth Proportional to 407,594,470.16, 562,474,800.84 and 231,380,927.12
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Solution
The fourth proportional to 407,594,470.16, 562,474,800.84 and 231,380,927.12 is: 319,302,518.63
Step by Step Solution
- Step 1: Write the proportion equation
407,594,470.16 : 562,474,800.84 = 231,380,927.12 : x - Step 2: Convert to fraction form
407,594,470.16/562,474,800.84 = 231,380,927.12/x - Step 3: Cross multiply
407,594,470.16x = 562,474,800.84 × 231,380,927.12 - Step 4: Simplify right side
407,594,470.16x = 130,145,940,899,996,560 - Step 5: Solve for x
x = 130,145,940,899,996,560/407,594,470.16 - Step 6: Final answer
x = 319,302,518.63
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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.