Finding the Fourth Proportional to 937,396,831.02, 1,405,110,964.41 and 315,396,135.96
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Solution
The fourth proportional to 937,396,831.02, 1,405,110,964.41 and 315,396,135.96 is: 472,763,032.80
Step by Step Solution
- Step 1: Write the proportion equation
937,396,831.02 : 1,405,110,964.41 = 315,396,135.96 : x - Step 2: Convert to fraction form
937,396,831.02/1,405,110,964.41 = 315,396,135.96/x - Step 3: Cross multiply
937,396,831.02x = 1,405,110,964.41 × 315,396,135.96 - Step 4: Simplify right side
937,396,831.02x = 443,166,568,769,943,104 - Step 5: Solve for x
x = 443,166,568,769,943,104/937,396,831.02 - Step 6: Final answer
x = 472,763,032.80
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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.