Finding the Fourth Proportional to 7,940,595,913.40, 11,911,341,767.70 and 2,420,034,044.60
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Solution
The fourth proportional to 7,940,595,913.40, 11,911,341,767.70 and 2,420,034,044.60 is: 3,630,187,571.45
Step by Step Solution
- Step 1: Write the proportion equation
7,940,595,913.40 : 11,911,341,767.70 = 2,420,034,044.60 : x - Step 2: Convert to fraction form
7,940,595,913.40/11,911,341,767.70 = 2,420,034,044.60/x - Step 3: Cross multiply
7,940,595,913.40x = 11,911,341,767.70 × 2,420,034,044.60 - Step 4: Simplify right side
7,940,595,913.40x = 28,825,852,594,699,943,936 - Step 5: Solve for x
x = 28,825,852,594,699,943,936/7,940,595,913.40 - Step 6: Final answer
x = 3,630,187,571.45
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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.