Finding the Fourth Proportional to 7,766,027,649.74, 11,648,971,213.86 and 2,454,140,679.32
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Solution
The fourth proportional to 7,766,027,649.74, 11,648,971,213.86 and 2,454,140,679.32 is: 3,681,188,815.90
Step by Step Solution
- Step 1: Write the proportion equation
7,766,027,649.74 : 11,648,971,213.86 = 2,454,140,679.32 : x - Step 2: Convert to fraction form
7,766,027,649.74/11,648,971,213.86 = 2,454,140,679.32/x - Step 3: Cross multiply
7,766,027,649.74x = 11,648,971,213.86 × 2,454,140,679.32 - Step 4: Simplify right side
7,766,027,649.74x = 28,588,214,128,161,509,376 - Step 5: Solve for x
x = 28,588,214,128,161,509,376/7,766,027,649.74 - Step 6: Final answer
x = 3,681,188,815.90
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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.