Finding the Fourth Proportional to 330,050,619.48, 455,370,529.96 and 197,843,377.62
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Solution
The fourth proportional to 330,050,619.48, 455,370,529.96 and 197,843,377.62 is: 272,964,322.44
Step by Step Solution
- Step 1: Write the proportion equation
330,050,619.48 : 455,370,529.96 = 197,843,377.62 : x - Step 2: Convert to fraction form
330,050,619.48/455,370,529.96 = 197,843,377.62/x - Step 3: Cross multiply
330,050,619.48x = 455,370,529.96 × 197,843,377.62 - Step 4: Simplify right side
330,050,619.48x = 90,092,043,715,895,808 - Step 5: Solve for x
x = 90,092,043,715,895,808/330,050,619.48 - Step 6: Final answer
x = 272,964,322.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.