Finding the Fourth Proportional to 4,219,805,234.12, 6,330,396,155.70 and 1,731,998,478.20
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Solution
The fourth proportional to 4,219,805,234.12, 6,330,396,155.70 and 1,731,998,478.20 is: 2,598,280,228.53
Step by Step Solution
- Step 1: Write the proportion equation
4,219,805,234.12 : 6,330,396,155.70 = 1,731,998,478.20 : x - Step 2: Convert to fraction form
4,219,805,234.12/6,330,396,155.70 = 1,731,998,478.20/x - Step 3: Cross multiply
4,219,805,234.12x = 6,330,396,155.70 × 1,731,998,478.20 - Step 4: Simplify right side
4,219,805,234.12x = 10,964,236,508,075,530,240 - Step 5: Solve for x
x = 10,964,236,508,075,530,240/4,219,805,234.12 - Step 6: Final answer
x = 2,598,280,228.53
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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.