Finding the Fourth Proportional to 372,165,566.60, 558,248,349.90 and 366,426,003.80
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Solution
The fourth proportional to 372,165,566.60, 558,248,349.90 and 366,426,003.80 is: 549,639,005.70
Step by Step Solution
- Step 1: Write the proportion equation
372,165,566.60 : 558,248,349.90 = 366,426,003.80 : x - Step 2: Convert to fraction form
372,165,566.60/558,248,349.90 = 366,426,003.80/x - Step 3: Cross multiply
372,165,566.60x = 558,248,349.90 × 366,426,003.80 - Step 4: Simplify right side
372,165,566.60x = 204,556,711,981,801,120 - Step 5: Solve for x
x = 204,556,711,981,801,120/372,165,566.60 - Step 6: Final answer
x = 549,639,005.70
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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.