Finding the Fourth Proportional to 1,019,936,747.55, 1,529,905,121.33 and 330,338,905.95
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Solution
The fourth proportional to 1,019,936,747.55, 1,529,905,121.33 and 330,338,905.95 is: 495,508,358.93
Step by Step Solution
- Step 1: Write the proportion equation
1,019,936,747.55 : 1,529,905,121.33 = 330,338,905.95 : x - Step 2: Convert to fraction form
1,019,936,747.55/1,529,905,121.33 = 330,338,905.95/x - Step 3: Cross multiply
1,019,936,747.55x = 1,529,905,121.33 × 330,338,905.95 - Step 4: Simplify right side
1,019,936,747.55x = 505,387,183,985,802,496 - Step 5: Solve for x
x = 505,387,183,985,802,496/1,019,936,747.55 - Step 6: Final answer
x = 495,508,358.93
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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.