Finding the Fourth Proportional to 1,425,508,795.51, 1,967,206,375.07 and 790,474,024.67
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Solution
The fourth proportional to 1,425,508,795.51, 1,967,206,375.07 and 790,474,024.67 is: 1,090,856,503.69
Step by Step Solution
- Step 1: Write the proportion equation
1,425,508,795.51 : 1,967,206,375.07 = 790,474,024.67 : x - Step 2: Convert to fraction form
1,425,508,795.51/1,967,206,375.07 = 790,474,024.67/x - Step 3: Cross multiply
1,425,508,795.51x = 1,967,206,375.07 × 790,474,024.67 - Step 4: Simplify right side
1,425,508,795.51x = 1,555,025,540,648,228,352 - Step 5: Solve for x
x = 1,555,025,540,648,228,352/1,425,508,795.51 - Step 6: Final answer
x = 1,090,856,503.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.