Finding the Fourth Proportional to 2,015,779,687.80, 3,023,669,531.70 and 1,671,405,919.80
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Solution
The fourth proportional to 2,015,779,687.80, 3,023,669,531.70 and 1,671,405,919.80 is: 2,507,108,879.70
Step by Step Solution
- Step 1: Write the proportion equation
2,015,779,687.80 : 3,023,669,531.70 = 1,671,405,919.80 : x - Step 2: Convert to fraction form
2,015,779,687.80/3,023,669,531.70 = 1,671,405,919.80/x - Step 3: Cross multiply
2,015,779,687.80x = 3,023,669,531.70 × 1,671,405,919.80 - Step 4: Simplify right side
2,015,779,687.80x = 5,053,779,154,802,273,280 - Step 5: Solve for x
x = 5,053,779,154,802,273,280/2,015,779,687.80 - Step 6: Final answer
x = 2,507,108,879.70
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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.