Finding the Fourth Proportional to 319,541,602.70, 479,312,404.05 and 164,573,407.10
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Solution
The fourth proportional to 319,541,602.70, 479,312,404.05 and 164,573,407.10 is: 246,860,110.65
Step by Step Solution
- Step 1: Write the proportion equation
319,541,602.70 : 479,312,404.05 = 164,573,407.10 : x - Step 2: Convert to fraction form
319,541,602.70/479,312,404.05 = 164,573,407.10/x - Step 3: Cross multiply
319,541,602.70x = 479,312,404.05 × 164,573,407.10 - Step 4: Simplify right side
319,541,602.70x = 78,882,075,399,800,336 - Step 5: Solve for x
x = 78,882,075,399,800,336/319,541,602.70 - Step 6: Final answer
x = 246,860,110.65
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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.