Finding the Fourth Proportional to 4,197,372,625.80, 6,296,058,938.70 and 1,289,472,107.40
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Solution
The fourth proportional to 4,197,372,625.80, 6,296,058,938.70 and 1,289,472,107.40 is: 1,934,208,161.10
Step by Step Solution
- Step 1: Write the proportion equation
4,197,372,625.80 : 6,296,058,938.70 = 1,289,472,107.40 : x - Step 2: Convert to fraction form
4,197,372,625.80/6,296,058,938.70 = 1,289,472,107.40/x - Step 3: Cross multiply
4,197,372,625.80x = 6,296,058,938.70 × 1,289,472,107.40 - Step 4: Simplify right side
4,197,372,625.80x = 8,118,592,388,000,097,280 - Step 5: Solve for x
x = 8,118,592,388,000,097,280/4,197,372,625.80 - Step 6: Final answer
x = 1,934,208,161.10
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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.