Finding the Fourth Proportional to 3,362,217,427.20, 5,043,326,140.80 and 1,812,535,471.20
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Solution
The fourth proportional to 3,362,217,427.20, 5,043,326,140.80 and 1,812,535,471.20 is: 2,718,803,206.80
Step by Step Solution
- Step 1: Write the proportion equation
3,362,217,427.20 : 5,043,326,140.80 = 1,812,535,471.20 : x - Step 2: Convert to fraction form
3,362,217,427.20/5,043,326,140.80 = 1,812,535,471.20/x - Step 3: Cross multiply
3,362,217,427.20x = 5,043,326,140.80 × 1,812,535,471.20 - Step 4: Simplify right side
3,362,217,427.20x = 9,141,207,523,030,206,464 - Step 5: Solve for x
x = 9,141,207,523,030,206,464/3,362,217,427.20 - Step 6: Final answer
x = 2,718,803,206.80
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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.