Finding the Fourth Proportional to 8,213,450,239.10, 12,318,451,340.63 and 2,316,630,459.62
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Solution
The fourth proportional to 8,213,450,239.10, 12,318,451,340.63 and 2,316,630,459.62 is: 3,474,459,424.51
Step by Step Solution
- Step 1: Write the proportion equation
8,213,450,239.10 : 12,318,451,340.63 = 2,316,630,459.62 : x - Step 2: Convert to fraction form
8,213,450,239.10/12,318,451,340.63 = 2,316,630,459.62/x - Step 3: Cross multiply
8,213,450,239.10x = 12,318,451,340.63 × 2,316,630,459.62 - Step 4: Simplify right side
8,213,450,239.10x = 28,537,299,590,977,101,824 - Step 5: Solve for x
x = 28,537,299,590,977,101,824/8,213,450,239.10 - Step 6: Final answer
x = 3,474,459,424.51
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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.