Finding the Fourth Proportional to 442,847,117.80, 664,270,676.70 and 170,226,778.60
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Solution
The fourth proportional to 442,847,117.80, 664,270,676.70 and 170,226,778.60 is: 255,340,167.90
Step by Step Solution
- Step 1: Write the proportion equation
442,847,117.80 : 664,270,676.70 = 170,226,778.60 : x - Step 2: Convert to fraction form
442,847,117.80/664,270,676.70 = 170,226,778.60/x - Step 3: Cross multiply
442,847,117.80x = 664,270,676.70 × 170,226,778.60 - Step 4: Simplify right side
442,847,117.80x = 113,076,657,413,083,088 - Step 5: Solve for x
x = 113,076,657,413,083,088/442,847,117.80 - Step 6: Final answer
x = 255,340,167.90
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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.