Finding the Fourth Proportional to 416,949,341.81, 625,428,441.38 and 125,819,023.75
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Solution
The fourth proportional to 416,949,341.81, 625,428,441.38 and 125,819,023.75 is: 188,729,872.02
Step by Step Solution
- Step 1: Write the proportion equation
416,949,341.81 : 625,428,441.38 = 125,819,023.75 : x - Step 2: Convert to fraction form
416,949,341.81/625,428,441.38 = 125,819,023.75/x - Step 3: Cross multiply
416,949,341.81x = 625,428,441.38 × 125,819,023.75 - Step 4: Simplify right side
416,949,341.81x = 78,690,795,918,666,688 - Step 5: Solve for x
x = 78,690,795,918,666,688/416,949,341.81 - Step 6: Final answer
x = 188,729,872.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.