Finding the Fourth Proportional to 446,970,553.80, 670,455,830.70 and 446,970,553.80
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Solution
The fourth proportional to 446,970,553.80, 670,455,830.70 and 446,970,553.80 is: 670,455,830.70
Step by Step Solution
- Step 1: Write the proportion equation
446,970,553.80 : 670,455,830.70 = 446,970,553.80 : x - Step 2: Convert to fraction form
446,970,553.80/670,455,830.70 = 446,970,553.80/x - Step 3: Cross multiply
446,970,553.80x = 670,455,830.70 × 446,970,553.80 - Step 4: Simplify right side
446,970,553.80x = 299,674,013,946,418,048 - Step 5: Solve for x
x = 299,674,013,946,418,048/446,970,553.80 - Step 6: Final answer
x = 670,455,830.70
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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.