Finding the Fourth Proportional to 2,167,243,750.80, 3,250,865,626.20 and 531,468,352.80
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Solution
The fourth proportional to 2,167,243,750.80, 3,250,865,626.20 and 531,468,352.80 is: 797,202,529.20
Step by Step Solution
- Step 1: Write the proportion equation
2,167,243,750.80 : 3,250,865,626.20 = 531,468,352.80 : x - Step 2: Convert to fraction form
2,167,243,750.80/3,250,865,626.20 = 531,468,352.80/x - Step 3: Cross multiply
2,167,243,750.80x = 3,250,865,626.20 × 531,468,352.80 - Step 4: Simplify right side
2,167,243,750.80x = 1,727,732,199,530,654,464 - Step 5: Solve for x
x = 1,727,732,199,530,654,464/2,167,243,750.80 - Step 6: Final answer
x = 797,202,529.20
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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.