Finding the Fourth Proportional to 9,980,757,304.80, 14,971,135,957.20 and 2,620,512,031.20
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Solution
The fourth proportional to 9,980,757,304.80, 14,971,135,957.20 and 2,620,512,031.20 is: 3,930,768,046.80
Step by Step Solution
- Step 1: Write the proportion equation
9,980,757,304.80 : 14,971,135,957.20 = 2,620,512,031.20 : x - Step 2: Convert to fraction form
9,980,757,304.80/14,971,135,957.20 = 2,620,512,031.20/x - Step 3: Cross multiply
9,980,757,304.80x = 14,971,135,957.20 × 2,620,512,031.20 - Step 4: Simplify right side
9,980,757,304.80x = 39,232,041,896,573,526,016 - Step 5: Solve for x
x = 39,232,041,896,573,526,016/9,980,757,304.80 - Step 6: Final answer
x = 3,930,768,046.80
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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.