Finding the Fourth Proportional to 860,747,622.25, 1,291,613,438.40 and 467,306,438.17
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Solution
The fourth proportional to 860,747,622.25, 1,291,613,438.40 and 467,306,438.17 is: 701,226,770.53
Step by Step Solution
- Step 1: Write the proportion equation
860,747,622.25 : 1,291,613,438.40 = 467,306,438.17 : x - Step 2: Convert to fraction form
860,747,622.25/1,291,613,438.40 = 467,306,438.17/x - Step 3: Cross multiply
860,747,622.25x = 1,291,613,438.40 × 467,306,438.17 - Step 4: Simplify right side
860,747,622.25x = 603,579,275,391,210,752 - Step 5: Solve for x
x = 603,579,275,391,210,752/860,747,622.25 - Step 6: Final answer
x = 701,226,770.53
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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.