Finding the Fourth Proportional to 4,828,896,207.80, 7,243,344,311.70 and 4,645,230,198.20
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Solution
The fourth proportional to 4,828,896,207.80, 7,243,344,311.70 and 4,645,230,198.20 is: 6,967,845,297.30
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,207.80 : 7,243,344,311.70 = 4,645,230,198.20 : x - Step 2: Convert to fraction form
4,828,896,207.80/7,243,344,311.70 = 4,645,230,198.20/x - Step 3: Cross multiply
4,828,896,207.80x = 7,243,344,311.70 × 4,645,230,198.20 - Step 4: Simplify right side
4,828,896,207.80x = 33,647,001,732,669,030,400 - Step 5: Solve for x
x = 33,647,001,732,669,030,400/4,828,896,207.80 - Step 6: Final answer
x = 6,967,845,297.30
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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.