Finding the Fourth Proportional to 639,151,202.22, 882,637,821.58 and 604,330,687.62
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Solution
The fourth proportional to 639,151,202.22, 882,637,821.58 and 604,330,687.62 is: 834,552,324.68
Step by Step Solution
- Step 1: Write the proportion equation
639,151,202.22 : 882,637,821.58 = 604,330,687.62 : x - Step 2: Convert to fraction form
639,151,202.22/882,637,821.58 = 604,330,687.62/x - Step 3: Cross multiply
639,151,202.22x = 882,637,821.58 × 604,330,687.62 - Step 4: Simplify right side
639,151,202.22x = 533,405,121,634,860,288 - Step 5: Solve for x
x = 533,405,121,634,860,288/639,151,202.22 - Step 6: Final answer
x = 834,552,324.68
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1.5x scale
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.