Finding the Fourth Proportional to 521,926,956.02, 783,195,717.36 and 194,628,584.18
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Solution
The fourth proportional to 521,926,956.02, 783,195,717.36 and 194,628,584.18 is: 292,056,717.60
Step by Step Solution
- Step 1: Write the proportion equation
521,926,956.02 : 783,195,717.36 = 194,628,584.18 : x - Step 2: Convert to fraction form
521,926,956.02/783,195,717.36 = 194,628,584.18/x - Step 3: Cross multiply
521,926,956.02x = 783,195,717.36 × 194,628,584.18 - Step 4: Simplify right side
521,926,956.02x = 152,432,273,600,970,432 - Step 5: Solve for x
x = 152,432,273,600,970,432/521,926,956.02 - Step 6: Final answer
x = 292,056,717.60
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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.