Finding the Fourth Proportional to 9,311,295,928.11, 12,866,396,671.21 and 6,630,421,813.11
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Solution
The fourth proportional to 9,311,295,928.11, 12,866,396,671.21 and 6,630,421,813.11 is: 9,161,951,011.28
Step by Step Solution
- Step 1: Write the proportion equation
9,311,295,928.11 : 12,866,396,671.21 = 6,630,421,813.11 : x - Step 2: Convert to fraction form
9,311,295,928.11/12,866,396,671.21 = 6,630,421,813.11/x - Step 3: Cross multiply
9,311,295,928.11x = 12,866,396,671.21 × 6,630,421,813.11 - Step 4: Simplify right side
9,311,295,928.11x = 85,309,637,144,916,672,512 - Step 5: Solve for x
x = 85,309,637,144,916,672,512/9,311,295,928.11 - Step 6: Final answer
x = 9,161,951,011.28
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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.