Finding the Fourth Proportional to 397,563,771,836.44, 596,429,422,373.34 and 128,931,805,657.56
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Solution
The fourth proportional to 397,563,771,836.44, 596,429,422,373.34 and 128,931,805,657.56 is: 193,424,873,747.12
Step by Step Solution
- Step 1: Write the proportion equation
397,563,771,836.44 : 596,429,422,373.34 = 128,931,805,657.56 : x - Step 2: Convert to fraction form
397,563,771,836.44/596,429,422,373.34 = 128,931,805,657.56/x - Step 3: Cross multiply
397,563,771,836.44x = 596,429,422,373.34 × 128,931,805,657.56 - Step 4: Simplify right side
397,563,771,836.44x = 76,898,722,373,890,239,102,976 - Step 5: Solve for x
x = 76,898,722,373,890,239,102,976/397,563,771,836.44 - Step 6: Final answer
x = 193,424,873,747.12
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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.