Finding the Fourth Proportional to 1,347,481,107.60, 2,021,977,488.60 and 570,994,630.80
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Solution
The fourth proportional to 1,347,481,107.60, 2,021,977,488.60 and 570,994,630.80 is: 856,812,227.70
Step by Step Solution
- Step 1: Write the proportion equation
1,347,481,107.60 : 2,021,977,488.60 = 570,994,630.80 : x - Step 2: Convert to fraction form
1,347,481,107.60/2,021,977,488.60 = 570,994,630.80/x - Step 3: Cross multiply
1,347,481,107.60x = 2,021,977,488.60 × 570,994,630.80 - Step 4: Simplify right side
1,347,481,107.60x = 1,154,538,289,589,068,032 - Step 5: Solve for x
x = 1,154,538,289,589,068,032/1,347,481,107.60 - Step 6: Final answer
x = 856,812,227.70
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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.