Finding the Fourth Proportional to 883,147,205.02, 1,218,751,202.82 and 486,684,419.62
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Solution
The fourth proportional to 883,147,205.02, 1,218,751,202.82 and 486,684,419.62 is: 671,628,940.72
Step by Step Solution
- Step 1: Write the proportion equation
883,147,205.02 : 1,218,751,202.82 = 486,684,419.62 : x - Step 2: Convert to fraction form
883,147,205.02/1,218,751,202.82 = 486,684,419.62/x - Step 3: Cross multiply
883,147,205.02x = 1,218,751,202.82 × 486,684,419.62 - Step 4: Simplify right side
883,147,205.02x = 593,147,221,805,628,544 - Step 5: Solve for x
x = 593,147,221,805,628,544/883,147,205.02 - Step 6: Final answer
x = 671,628,940.72
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1.5x scale
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.