Finding the Fourth Proportional to 2,818,183,950.80, 4,227,275,926.20 and 1,838,631,899.60
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Solution
The fourth proportional to 2,818,183,950.80, 4,227,275,926.20 and 1,838,631,899.60 is: 2,757,947,849.40
Step by Step Solution
- Step 1: Write the proportion equation
2,818,183,950.80 : 4,227,275,926.20 = 1,838,631,899.60 : x - Step 2: Convert to fraction form
2,818,183,950.80/4,227,275,926.20 = 1,838,631,899.60/x - Step 3: Cross multiply
2,818,183,950.80x = 4,227,275,926.20 × 1,838,631,899.60 - Step 4: Simplify right side
2,818,183,950.80x = 7,772,404,366,322,454,528 - Step 5: Solve for x
x = 7,772,404,366,322,454,528/2,818,183,950.80 - Step 6: Final answer
x = 2,757,947,849.40
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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.