Finding the Fourth Proportional to 397,878,453.80, 596,817,680.70 and 110,664,117.80
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Solution
The fourth proportional to 397,878,453.80, 596,817,680.70 and 110,664,117.80 is: 165,996,176.70
Step by Step Solution
- Step 1: Write the proportion equation
397,878,453.80 : 596,817,680.70 = 110,664,117.80 : x - Step 2: Convert to fraction form
397,878,453.80/596,817,680.70 = 110,664,117.80/x - Step 3: Cross multiply
397,878,453.80x = 596,817,680.70 × 110,664,117.80 - Step 4: Simplify right side
397,878,453.80x = 66,046,302,122,107,592 - Step 5: Solve for x
x = 66,046,302,122,107,592/397,878,453.80 - Step 6: Final answer
x = 165,996,176.70
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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.