Finding the Fourth Proportional to 1,656,335,511.20, 2,482,393,249.20 and 880,352,919.20
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Solution
The fourth proportional to 1,656,335,511.20, 2,482,393,249.20 and 880,352,919.20 is: 1,319,407,890.95
Step by Step Solution
- Step 1: Write the proportion equation
1,656,335,511.20 : 2,482,393,249.20 = 880,352,919.20 : x - Step 2: Convert to fraction form
1,656,335,511.20/2,482,393,249.20 = 880,352,919.20/x - Step 3: Cross multiply
1,656,335,511.20x = 2,482,393,249.20 × 880,352,919.20 - Step 4: Simplify right side
1,656,335,511.20x = 2,185,382,143,535,592,960 - Step 5: Solve for x
x = 2,185,382,143,535,592,960/1,656,335,511.20 - Step 6: Final answer
x = 1,319,407,890.95
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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.