Finding the Fourth Proportional to 756,195,828.76, 1,134,302,774.84 and 210,904,185.88
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Solution
The fourth proportional to 756,195,828.76, 1,134,302,774.84 and 210,904,185.88 is: 316,358,797.78
Step by Step Solution
- Step 1: Write the proportion equation
756,195,828.76 : 1,134,302,774.84 = 210,904,185.88 : x - Step 2: Convert to fraction form
756,195,828.76/1,134,302,774.84 = 210,904,185.88/x - Step 3: Cross multiply
756,195,828.76x = 1,134,302,774.84 × 210,904,185.88 - Step 4: Simplify right side
756,195,828.76x = 239,229,203,269,055,136 - Step 5: Solve for x
x = 239,229,203,269,055,136/756,195,828.76 - Step 6: Final answer
x = 316,358,797.78
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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.