Finding the Fourth Proportional to 1,034,405,737.40, 1,551,604,523.70 and 307,394,449.40
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Solution
The fourth proportional to 1,034,405,737.40, 1,551,604,523.70 and 307,394,449.40 is: 461,090,460.93
Step by Step Solution
- Step 1: Write the proportion equation
1,034,405,737.40 : 1,551,604,523.70 = 307,394,449.40 : x - Step 2: Convert to fraction form
1,034,405,737.40/1,551,604,523.70 = 307,394,449.40/x - Step 3: Cross multiply
1,034,405,737.40x = 1,551,604,523.70 × 307,394,449.40 - Step 4: Simplify right side
1,034,405,737.40x = 476,954,618,249,310,720 - Step 5: Solve for x
x = 476,954,618,249,310,720/1,034,405,737.40 - Step 6: Final answer
x = 461,090,460.93
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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.