Finding the Fourth Proportional to 340,858,447.70, 511,287,671.55 and 340,858,447.70
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Solution
The fourth proportional to 340,858,447.70, 511,287,671.55 and 340,858,447.70 is: 511,287,671.55
Step by Step Solution
- Step 1: Write the proportion equation
340,858,447.70 : 511,287,671.55 = 340,858,447.70 : x - Step 2: Convert to fraction form
340,858,447.70/511,287,671.55 = 340,858,447.70/x - Step 3: Cross multiply
340,858,447.70x = 511,287,671.55 × 340,858,447.70 - Step 4: Simplify right side
340,858,447.70x = 174,276,722,052,680,448 - Step 5: Solve for x
x = 174,276,722,052,680,448/340,858,447.70 - Step 6: Final answer
x = 511,287,671.55
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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.