Finding the Fourth Proportional to 3,135,871,511.64, 4,703,807,265.84 and 1,170,878,046.12
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Solution
The fourth proportional to 3,135,871,511.64, 4,703,807,265.84 and 1,170,878,046.12 is: 1,756,317,068.58
Step by Step Solution
- Step 1: Write the proportion equation
3,135,871,511.64 : 4,703,807,265.84 = 1,170,878,046.12 : x - Step 2: Convert to fraction form
3,135,871,511.64/4,703,807,265.84 = 1,170,878,046.12/x - Step 3: Cross multiply
3,135,871,511.64x = 4,703,807,265.84 × 1,170,878,046.12 - Step 4: Simplify right side
3,135,871,511.64x = 5,507,584,660,751,798,272 - Step 5: Solve for x
x = 5,507,584,660,751,798,272/3,135,871,511.64 - Step 6: Final answer
x = 1,756,317,068.58
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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.