Finding the Fourth Proportional to 2,312,230,240.20, 3,467,337,590.70 and 931,585,888.20
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Solution
The fourth proportional to 2,312,230,240.20, 3,467,337,590.70 and 931,585,888.20 is: 1,396,972,807.02
Step by Step Solution
- Step 1: Write the proportion equation
2,312,230,240.20 : 3,467,337,590.70 = 931,585,888.20 : x - Step 2: Convert to fraction form
2,312,230,240.20/3,467,337,590.70 = 931,585,888.20/x - Step 3: Cross multiply
2,312,230,240.20x = 3,467,337,590.70 × 931,585,888.20 - Step 4: Simplify right side
2,312,230,240.20x = 3,230,122,769,121,507,328 - Step 5: Solve for x
x = 3,230,122,769,121,507,328/2,312,230,240.20 - Step 6: Final answer
x = 1,396,972,807.02
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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.