Finding the Fourth Proportional to 1,996,029,487.20, 2,994,044,230.80 and 1,479,468,835.20
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Solution
The fourth proportional to 1,996,029,487.20, 2,994,044,230.80 and 1,479,468,835.20 is: 2,219,203,252.80
Step by Step Solution
- Step 1: Write the proportion equation
1,996,029,487.20 : 2,994,044,230.80 = 1,479,468,835.20 : x - Step 2: Convert to fraction form
1,996,029,487.20/2,994,044,230.80 = 1,479,468,835.20/x - Step 3: Cross multiply
1,996,029,487.20x = 2,994,044,230.80 × 1,479,468,835.20 - Step 4: Simplify right side
1,996,029,487.20x = 4,429,595,130,678,956,544 - Step 5: Solve for x
x = 4,429,595,130,678,956,544/1,996,029,487.20 - Step 6: Final answer
x = 2,219,203,252.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.