Finding the Fourth Proportional to 2,694,885,984.12, 3,718,735,099.02 and 1,521,580,066.68
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Solution
The fourth proportional to 2,694,885,984.12, 3,718,735,099.02 and 1,521,580,066.68 is: 2,099,663,300.52
Step by Step Solution
- Step 1: Write the proportion equation
2,694,885,984.12 : 3,718,735,099.02 = 1,521,580,066.68 : x - Step 2: Convert to fraction form
2,694,885,984.12/3,718,735,099.02 = 1,521,580,066.68/x - Step 3: Cross multiply
2,694,885,984.12x = 3,718,735,099.02 × 1,521,580,066.68 - Step 4: Simplify right side
2,694,885,984.12x = 5,658,353,199,932,107,776 - Step 5: Solve for x
x = 5,658,353,199,932,107,776/2,694,885,984.12 - Step 6: Final answer
x = 2,099,663,300.52
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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.