Finding the Fourth Proportional to 606,393,795.20, 909,590,692.80 and 529,866,291.20
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Solution
The fourth proportional to 606,393,795.20, 909,590,692.80 and 529,866,291.20 is: 794,799,436.80
Step by Step Solution
- Step 1: Write the proportion equation
606,393,795.20 : 909,590,692.80 = 529,866,291.20 : x - Step 2: Convert to fraction form
606,393,795.20/909,590,692.80 = 529,866,291.20/x - Step 3: Cross multiply
606,393,795.20x = 909,590,692.80 × 529,866,291.20 - Step 4: Simplify right side
606,393,795.20x = 481,961,446,903,974,528 - Step 5: Solve for x
x = 481,961,446,903,974,528/606,393,795.20 - Step 6: Final answer
x = 794,799,436.80
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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.