Finding the Fourth Proportional to 625,247,163.60, 936,686,943.60 and 417,358,729.20
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Solution
The fourth proportional to 625,247,163.60, 936,686,943.60 and 417,358,729.20 is: 625,247,894.27
Step by Step Solution
- Step 1: Write the proportion equation
625,247,163.60 : 936,686,943.60 = 417,358,729.20 : x - Step 2: Convert to fraction form
625,247,163.60/936,686,943.60 = 417,358,729.20/x - Step 3: Cross multiply
625,247,163.60x = 936,686,943.60 × 417,358,729.20 - Step 4: Simplify right side
625,247,163.60x = 390,934,472,439,128,064 - Step 5: Solve for x
x = 390,934,472,439,128,064/625,247,163.60 - Step 6: Final answer
x = 625,247,894.27
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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.