Finding the Fourth Proportional to 1,480,630,531.84, 2,207,708,579.88 and 1,439,951,380.90
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Solution
The fourth proportional to 1,480,630,531.84, 2,207,708,579.88 and 1,439,951,380.90 is: 2,147,053,535.55
Step by Step Solution
- Step 1: Write the proportion equation
1,480,630,531.84 : 2,207,708,579.88 = 1,439,951,380.90 : x - Step 2: Convert to fraction form
1,480,630,531.84/2,207,708,579.88 = 1,439,951,380.90/x - Step 3: Cross multiply
1,480,630,531.84x = 2,207,708,579.88 × 1,439,951,380.90 - Step 4: Simplify right side
1,480,630,531.84x = 3,178,993,018,222,984,192 - Step 5: Solve for x
x = 3,178,993,018,222,984,192/1,480,630,531.84 - Step 6: Final answer
x = 2,147,053,535.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.