Finding the Fourth Proportional to 298,898,283.60, 448,331,482.08 and 80,545,119.84
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Solution
The fourth proportional to 298,898,283.60, 448,331,482.08 and 80,545,119.84 is: 120,813,383.46
Step by Step Solution
- Step 1: Write the proportion equation
298,898,283.60 : 448,331,482.08 = 80,545,119.84 : x - Step 2: Convert to fraction form
298,898,283.60/448,331,482.08 = 80,545,119.84/x - Step 3: Cross multiply
298,898,283.60x = 448,331,482.08 × 80,545,119.84 - Step 4: Simplify right side
298,898,283.60x = 36,110,912,952,178,416 - Step 5: Solve for x
x = 36,110,912,952,178,416/298,898,283.60 - Step 6: Final answer
x = 120,813,383.46
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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.