Finding the Fourth Proportional to 1,586,609,114.40, 2,379,913,671.60 and 496,202,407.20
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Solution
The fourth proportional to 1,586,609,114.40, 2,379,913,671.60 and 496,202,407.20 is: 744,303,610.80
Step by Step Solution
- Step 1: Write the proportion equation
1,586,609,114.40 : 2,379,913,671.60 = 496,202,407.20 : x - Step 2: Convert to fraction form
1,586,609,114.40/2,379,913,671.60 = 496,202,407.20/x - Step 3: Cross multiply
1,586,609,114.40x = 2,379,913,671.60 × 496,202,407.20 - Step 4: Simplify right side
1,586,609,114.40x = 1,180,918,892,776,110,080 - Step 5: Solve for x
x = 1,180,918,892,776,110,080/1,586,609,114.40 - Step 6: Final answer
x = 744,303,610.80
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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.