Finding the Fourth Proportional to 351,418,890.46, 484,957,232.04 and 192,648,731.44
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Solution
The fourth proportional to 351,418,890.46, 484,957,232.04 and 192,648,731.44 is: 265,854,790.65
Step by Step Solution
- Step 1: Write the proportion equation
351,418,890.46 : 484,957,232.04 = 192,648,731.44 : x - Step 2: Convert to fraction form
351,418,890.46/484,957,232.04 = 192,648,731.44/x - Step 3: Cross multiply
351,418,890.46x = 484,957,232.04 × 192,648,731.44 - Step 4: Simplify right side
351,418,890.46x = 93,426,395,555,159,728 - Step 5: Solve for x
x = 93,426,395,555,159,728/351,418,890.46 - Step 6: Final answer
x = 265,854,790.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.