Finding the Fourth Proportional to 298,898,289.60, 448,331,491.08 and 80,545,125.84
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Solution
The fourth proportional to 298,898,289.60, 448,331,491.08 and 80,545,125.84 is: 120,813,392.46
Step by Step Solution
- Step 1: Write the proportion equation
298,898,289.60 : 448,331,491.08 = 80,545,125.84 : x - Step 2: Convert to fraction form
298,898,289.60/448,331,491.08 = 80,545,125.84/x - Step 3: Cross multiply
298,898,289.60x = 448,331,491.08 × 80,545,125.84 - Step 4: Simplify right side
298,898,289.60x = 36,110,916,367,073,440 - Step 5: Solve for x
x = 36,110,916,367,073,440/298,898,289.60 - Step 6: Final answer
x = 120,813,392.46
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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.