Finding the Fourth Proportional to 1,777,994,752.80, 2,666,992,129.20 and 1,678,225,562.40
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Solution
The fourth proportional to 1,777,994,752.80, 2,666,992,129.20 and 1,678,225,562.40 is: 2,517,338,343.60
Step by Step Solution
- Step 1: Write the proportion equation
1,777,994,752.80 : 2,666,992,129.20 = 1,678,225,562.40 : x - Step 2: Convert to fraction form
1,777,994,752.80/2,666,992,129.20 = 1,678,225,562.40/x - Step 3: Cross multiply
1,777,994,752.80x = 2,666,992,129.20 × 1,678,225,562.40 - Step 4: Simplify right side
1,777,994,752.80x = 4,475,814,365,943,043,584 - Step 5: Solve for x
x = 4,475,814,365,943,043,584/1,777,994,752.80 - Step 6: Final answer
x = 2,517,338,343.60
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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.