Finding the Fourth Proportional to 338,330,251.80, 466,924,298.94 and 189,648,996.12
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Solution
The fourth proportional to 338,330,251.80, 466,924,298.94 and 189,648,996.12 is: 261,731,618.99
Step by Step Solution
- Step 1: Write the proportion equation
338,330,251.80 : 466,924,298.94 = 189,648,996.12 : x - Step 2: Convert to fraction form
338,330,251.80/466,924,298.94 = 189,648,996.12/x - Step 3: Cross multiply
338,330,251.80x = 466,924,298.94 × 189,648,996.12 - Step 4: Simplify right side
338,330,251.80x = 88,551,724,558,005,776 - Step 5: Solve for x
x = 88,551,724,558,005,776/338,330,251.80 - Step 6: Final answer
x = 261,731,618.99
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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.