Finding the Fourth Proportional to 393,375,470.75, 589,772,311.35 and 237,894,712.70
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Solution
The fourth proportional to 393,375,470.75, 589,772,311.35 and 237,894,712.70 is: 356,666,149.77
Step by Step Solution
- Step 1: Write the proportion equation
393,375,470.75 : 589,772,311.35 = 237,894,712.70 : x - Step 2: Convert to fraction form
393,375,470.75/589,772,311.35 = 237,894,712.70/x - Step 3: Cross multiply
393,375,470.75x = 589,772,311.35 × 237,894,712.70 - Step 4: Simplify right side
393,375,470.75x = 140,303,714,566,502,672 - Step 5: Solve for x
x = 140,303,714,566,502,672/393,375,470.75 - Step 6: Final answer
x = 356,666,149.77
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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.