Finding the Fourth Proportional to 319,034,734.20, 478,552,101.30 and 273,118,231.80
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Solution
The fourth proportional to 319,034,734.20, 478,552,101.30 and 273,118,231.80 is: 409,677,347.70
Step by Step Solution
- Step 1: Write the proportion equation
319,034,734.20 : 478,552,101.30 = 273,118,231.80 : x - Step 2: Convert to fraction form
319,034,734.20/478,552,101.30 = 273,118,231.80/x - Step 3: Cross multiply
319,034,734.20x = 478,552,101.30 × 273,118,231.80 - Step 4: Simplify right side
319,034,734.20x = 130,701,303,731,230,496 - Step 5: Solve for x
x = 130,701,303,731,230,496/319,034,734.20 - Step 6: Final answer
x = 409,677,347.70
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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.