Finding the Fourth Proportional to 7,136,919,584.26, 9,848,371,612.31 and 4,126,365,442.10
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Solution
The fourth proportional to 7,136,919,584.26, 9,848,371,612.31 and 4,126,365,442.10 is: 5,694,050,465.64
Step by Step Solution
- Step 1: Write the proportion equation
7,136,919,584.26 : 9,848,371,612.31 = 4,126,365,442.10 : x - Step 2: Convert to fraction form
7,136,919,584.26/9,848,371,612.31 = 4,126,365,442.10/x - Step 3: Cross multiply
7,136,919,584.26x = 9,848,371,612.31 × 4,126,365,442.10 - Step 4: Simplify right side
7,136,919,584.26x = 40,637,980,281,994,641,408 - Step 5: Solve for x
x = 40,637,980,281,994,641,408/7,136,919,584.26 - Step 6: Final answer
x = 5,694,050,465.64
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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.