Finding the Fourth Proportional to 751,113,831.16, 1,125,875,564.02 and 252,649,824.58
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Solution
The fourth proportional to 751,113,831.16, 1,125,875,564.02 and 252,649,824.58 is: 378,707,263.73
Step by Step Solution
- Step 1: Write the proportion equation
751,113,831.16 : 1,125,875,564.02 = 252,649,824.58 : x - Step 2: Convert to fraction form
751,113,831.16/1,125,875,564.02 = 252,649,824.58/x - Step 3: Cross multiply
751,113,831.16x = 1,125,875,564.02 × 252,649,824.58 - Step 4: Simplify right side
751,113,831.16x = 284,452,263,748,561,568 - Step 5: Solve for x
x = 284,452,263,748,561,568/751,113,831.16 - Step 6: Final answer
x = 378,707,263.73
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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.