Finding the Fourth Proportional to 914,624,028.68, 1,371,241,801.74 and 471,489,189.80
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Solution
The fourth proportional to 914,624,028.68, 1,371,241,801.74 and 471,489,189.80 is: 706,875,902.94
Step by Step Solution
- Step 1: Write the proportion equation
914,624,028.68 : 1,371,241,801.74 = 471,489,189.80 : x - Step 2: Convert to fraction form
914,624,028.68/1,371,241,801.74 = 471,489,189.80/x - Step 3: Cross multiply
914,624,028.68x = 1,371,241,801.74 × 471,489,189.80 - Step 4: Simplify right side
914,624,028.68x = 646,525,686,122,284,800 - Step 5: Solve for x
x = 646,525,686,122,284,800/914,624,028.68 - Step 6: Final answer
x = 706,875,902.94
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1.5x scale
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.