Finding the Fourth Proportional to 1,062,886,450.80, 1,594,329,676.20 and 488,457,778.80
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Solution
The fourth proportional to 1,062,886,450.80, 1,594,329,676.20 and 488,457,778.80 is: 732,686,668.20
Step by Step Solution
- Step 1: Write the proportion equation
1,062,886,450.80 : 1,594,329,676.20 = 488,457,778.80 : x - Step 2: Convert to fraction form
1,062,886,450.80/1,594,329,676.20 = 488,457,778.80/x - Step 3: Cross multiply
1,062,886,450.80x = 1,594,329,676.20 × 488,457,778.80 - Step 4: Simplify right side
1,062,886,450.80x = 778,762,732,311,575,296 - Step 5: Solve for x
x = 778,762,732,311,575,296/1,062,886,450.80 - Step 6: Final answer
x = 732,686,668.20
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1.5x scale
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.