Finding the Fourth Proportional to 1,165,592,874.14, 1,608,609,859.35 and 663,822,873.98
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Solution
The fourth proportional to 1,165,592,874.14, 1,608,609,859.35 and 663,822,873.98 is: 916,127,786.67
Step by Step Solution
- Step 1: Write the proportion equation
1,165,592,874.14 : 1,608,609,859.35 = 663,822,873.98 : x - Step 2: Convert to fraction form
1,165,592,874.14/1,608,609,859.35 = 663,822,873.98/x - Step 3: Cross multiply
1,165,592,874.14x = 1,608,609,859.35 × 663,822,873.98 - Step 4: Simplify right side
1,165,592,874.14x = 1,067,832,019,946,280,576 - Step 5: Solve for x
x = 1,067,832,019,946,280,576/1,165,592,874.14 - Step 6: Final answer
x = 916,127,786.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.