Finding the Fourth Proportional to 6,634,588,576.92, 9,951,920,068.84 and 2,212,995,865.53
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Solution
The fourth proportional to 6,634,588,576.92, 9,951,920,068.84 and 2,212,995,865.53 is: 3,319,506,207.67
Step by Step Solution
- Step 1: Write the proportion equation
6,634,588,576.92 : 9,951,920,068.84 = 2,212,995,865.53 : x - Step 2: Convert to fraction form
6,634,588,576.92/9,951,920,068.84 = 2,212,995,865.53/x - Step 3: Cross multiply
6,634,588,576.92x = 9,951,920,068.84 × 2,212,995,865.53 - Step 4: Simplify right side
6,634,588,576.92x = 22,023,557,966,403,510,272 - Step 5: Solve for x
x = 22,023,557,966,403,510,272/6,634,588,576.92 - Step 6: Final answer
x = 3,319,506,207.67
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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.