Finding the Fourth Proportional to 2,879,515,310.88, 4,315,480,569.40 and 1,219,368,381.17
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Solution
The fourth proportional to 2,879,515,310.88, 4,315,480,569.40 and 1,219,368,381.17 is: 1,827,446,631.73
Step by Step Solution
- Step 1: Write the proportion equation
2,879,515,310.88 : 4,315,480,569.40 = 1,219,368,381.17 : x - Step 2: Convert to fraction form
2,879,515,310.88/4,315,480,569.40 = 1,219,368,381.17/x - Step 3: Cross multiply
2,879,515,310.88x = 4,315,480,569.40 × 1,219,368,381.17 - Step 4: Simplify right side
2,879,515,310.88x = 5,262,160,555,879,867,392 - Step 5: Solve for x
x = 5,262,160,555,879,867,392/2,879,515,310.88 - Step 6: Final answer
x = 1,827,446,631.73
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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.