Finding the Fourth Proportional to 1,476,228,660.80, 2,214,661,855.80 and 441,194,169.20
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Solution
The fourth proportional to 1,476,228,660.80, 2,214,661,855.80 and 441,194,169.20 is: 661,886,551.50
Step by Step Solution
- Step 1: Write the proportion equation
1,476,228,660.80 : 2,214,661,855.80 = 441,194,169.20 : x - Step 2: Convert to fraction form
1,476,228,660.80/2,214,661,855.80 = 441,194,169.20/x - Step 3: Cross multiply
1,476,228,660.80x = 2,214,661,855.80 × 441,194,169.20 - Step 4: Simplify right side
1,476,228,660.80x = 977,095,897,528,611,200 - Step 5: Solve for x
x = 977,095,897,528,611,200/1,476,228,660.80 - Step 6: Final answer
x = 661,886,551.50
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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.