Finding the Fourth Proportional to 330,347,709.13, 455,891,537.28 and 181,680,337.07
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Solution
The fourth proportional to 330,347,709.13, 455,891,537.28 and 181,680,337.07 is: 250,725,299.05
Step by Step Solution
- Step 1: Write the proportion equation
330,347,709.13 : 455,891,537.28 = 181,680,337.07 : x - Step 2: Convert to fraction form
330,347,709.13/455,891,537.28 = 181,680,337.07/x - Step 3: Cross multiply
330,347,709.13x = 455,891,537.28 × 181,680,337.07 - Step 4: Simplify right side
330,347,709.13x = 82,826,528,163,068,976 - Step 5: Solve for x
x = 82,826,528,163,068,976/330,347,709.13 - Step 6: Final answer
x = 250,725,299.05
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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.