Finding the Fourth Proportional to 7,849,461,107.20, 11,768,156,775.24 and 4,063,795,217.68
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Solution
The fourth proportional to 7,849,461,107.20, 11,768,156,775.24 and 4,063,795,217.68 is: 6,092,568,466.93
Step by Step Solution
- Step 1: Write the proportion equation
7,849,461,107.20 : 11,768,156,775.24 = 4,063,795,217.68 : x - Step 2: Convert to fraction form
7,849,461,107.20/11,768,156,775.24 = 4,063,795,217.68/x - Step 3: Cross multiply
7,849,461,107.20x = 11,768,156,775.24 × 4,063,795,217.68 - Step 4: Simplify right side
7,849,461,107.20x = 47,823,379,224,128,798,720 - Step 5: Solve for x
x = 47,823,379,224,128,798,720/7,849,461,107.20 - Step 6: Final answer
x = 6,092,568,466.93
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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.