Finding the Fourth Proportional to 1,679,658,425.80, 2,519,487,638.70 and 530,801,081.80
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Solution
The fourth proportional to 1,679,658,425.80, 2,519,487,638.70 and 530,801,081.80 is: 796,201,622.70
Step by Step Solution
- Step 1: Write the proportion equation
1,679,658,425.80 : 2,519,487,638.70 = 530,801,081.80 : x - Step 2: Convert to fraction form
1,679,658,425.80/2,519,487,638.70 = 530,801,081.80/x - Step 3: Cross multiply
1,679,658,425.80x = 2,519,487,638.70 × 530,801,081.80 - Step 4: Simplify right side
1,679,658,425.80x = 1,337,346,764,203,687,424 - Step 5: Solve for x
x = 1,337,346,764,203,687,424/1,679,658,425.80 - Step 6: Final answer
x = 796,201,622.70
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Similar ratio
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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.