Finding the Fourth Proportional to 1,919,836,975.14, 2,879,755,469.82 and 539,651,483.10
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Solution
The fourth proportional to 1,919,836,975.14, 2,879,755,469.82 and 539,651,483.10 is: 809,477,226.65
Step by Step Solution
- Step 1: Write the proportion equation
1,919,836,975.14 : 2,879,755,469.82 = 539,651,483.10 : x - Step 2: Convert to fraction form
1,919,836,975.14/2,879,755,469.82 = 539,651,483.10/x - Step 3: Cross multiply
1,919,836,975.14x = 2,879,755,469.82 × 539,651,483.10 - Step 4: Simplify right side
1,919,836,975.14x = 1,554,064,310,253,700,352 - Step 5: Solve for x
x = 1,554,064,310,253,700,352/1,919,836,975.14 - Step 6: Final answer
x = 809,477,226.65
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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.