Finding the Fourth Proportional to 319,035,838.20, 478,553,757.30 and 273,119,335.80
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Solution
The fourth proportional to 319,035,838.20, 478,553,757.30 and 273,119,335.80 is: 409,679,003.70
Step by Step Solution
- Step 1: Write the proportion equation
319,035,838.20 : 478,553,757.30 = 273,119,335.80 : x - Step 2: Convert to fraction form
319,035,838.20/478,553,757.30 = 273,119,335.80/x - Step 3: Cross multiply
319,035,838.20x = 478,553,757.30 × 273,119,335.80 - Step 4: Simplify right side
319,035,838.20x = 130,702,284,338,370,416 - Step 5: Solve for x
x = 130,702,284,338,370,416/319,035,838.20 - Step 6: Final answer
x = 409,679,003.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.