Finding the Fourth Proportional to 330,985,555,300.14, 496,478,339,511.21 and 79,446,749,353.98
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Solution
The fourth proportional to 330,985,555,300.14, 496,478,339,511.21 and 79,446,749,353.98 is: 119,170,125,605.81
Step by Step Solution
- Step 1: Write the proportion equation
330,985,555,300.14 : 496,478,339,511.21 = 79,446,749,353.98 : x - Step 2: Convert to fraction form
330,985,555,300.14/496,478,339,511.21 = 79,446,749,353.98/x - Step 3: Cross multiply
330,985,555,300.14x = 496,478,339,511.21 × 79,446,749,353.98 - Step 4: Simplify right side
330,985,555,300.14x = 39,443,590,198,827,283,382,272 - Step 5: Solve for x
x = 39,443,590,198,827,283,382,272/330,985,555,300.14 - Step 6: Final answer
x = 119,170,125,605.81
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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.