Finding the Fourth Proportional to 1,028,682,852.84, 1,419,592,918.50 and 558,793,480.68
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Solution
The fourth proportional to 1,028,682,852.84, 1,419,592,918.50 and 558,793,480.68 is: 771,140,751.39
Step by Step Solution
- Step 1: Write the proportion equation
1,028,682,852.84 : 1,419,592,918.50 = 558,793,480.68 : x - Step 2: Convert to fraction form
1,028,682,852.84/1,419,592,918.50 = 558,793,480.68/x - Step 3: Cross multiply
1,028,682,852.84x = 1,419,592,918.50 × 558,793,480.68 - Step 4: Simplify right side
1,028,682,852.84x = 793,259,268,077,294,464 - Step 5: Solve for x
x = 793,259,268,077,294,464/1,028,682,852.84 - Step 6: Final answer
x = 771,140,751.39
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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.