Finding the Fourth Proportional to 378,048,750.80, 567,199,097.40 and 337,411,374.80
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Solution
The fourth proportional to 378,048,750.80, 567,199,097.40 and 337,411,374.80 is: 506,229,492.45
Step by Step Solution
- Step 1: Write the proportion equation
378,048,750.80 : 567,199,097.40 = 337,411,374.80 : x - Step 2: Convert to fraction form
378,048,750.80/567,199,097.40 = 337,411,374.80/x - Step 3: Cross multiply
378,048,750.80x = 567,199,097.40 × 337,411,374.80 - Step 4: Simplify right side
378,048,750.80x = 191,379,427,239,053,120 - Step 5: Solve for x
x = 191,379,427,239,053,120/378,048,750.80 - Step 6: Final answer
x = 506,229,492.45
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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.