Finding the Fourth Proportional to 6,782,977,070.60, 10,174,465,605.90 and 2,125,240,161.80
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Solution
The fourth proportional to 6,782,977,070.60, 10,174,465,605.90 and 2,125,240,161.80 is: 3,187,860,242.70
Step by Step Solution
- Step 1: Write the proportion equation
6,782,977,070.60 : 10,174,465,605.90 = 2,125,240,161.80 : x - Step 2: Convert to fraction form
6,782,977,070.60/10,174,465,605.90 = 2,125,240,161.80/x - Step 3: Cross multiply
6,782,977,070.60x = 10,174,465,605.90 × 2,125,240,161.80 - Step 4: Simplify right side
6,782,977,070.60x = 21,623,182,930,511,450,112 - Step 5: Solve for x
x = 21,623,182,930,511,450,112/6,782,977,070.60 - Step 6: Final answer
x = 3,187,860,242.70
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1.5x scale
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.