Finding the Fourth Proportional to 1,968,137,028, 2,716,085,785.68 and 1,088,127,419.04
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Solution
The fourth proportional to 1,968,137,028, 2,716,085,785.68 and 1,088,127,419.04 is: 1,501,647,178.94
Step by Step Solution
- Step 1: Write the proportion equation
1,968,137,028 : 2,716,085,785.68 = 1,088,127,419.04 : x - Step 2: Convert to fraction form
1,968,137,028/2,716,085,785.68 = 1,088,127,419.04/x - Step 3: Cross multiply
1,968,137,028x = 2,716,085,785.68 × 1,088,127,419.04 - Step 4: Simplify right side
1,968,137,028x = 2,955,447,415,863,208,448 - Step 5: Solve for x
x = 2,955,447,415,863,208,448/1,968,137,028 - Step 6: Final answer
x = 1,501,647,178.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.