Finding the Fourth Proportional to 473,365,489.80, 710,048,234.70 and 279,369,841.80
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Solution
The fourth proportional to 473,365,489.80, 710,048,234.70 and 279,369,841.80 is: 419,054,762.70
Step by Step Solution
- Step 1: Write the proportion equation
473,365,489.80 : 710,048,234.70 = 279,369,841.80 : x - Step 2: Convert to fraction form
473,365,489.80/710,048,234.70 = 279,369,841.80/x - Step 3: Cross multiply
473,365,489.80x = 710,048,234.70 × 279,369,841.80 - Step 4: Simplify right side
473,365,489.80x = 198,366,062,998,508,288 - Step 5: Solve for x
x = 198,366,062,998,508,288/473,365,489.80 - Step 6: Final answer
x = 419,054,762.70
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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.