Finding the Fourth Proportional to 286,271,999.68, 429,407,999.51 and 266,998,406.08
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Solution
The fourth proportional to 286,271,999.68, 429,407,999.51 and 266,998,406.08 is: 400,497,609.11
Step by Step Solution
- Step 1: Write the proportion equation
286,271,999.68 : 429,407,999.51 = 266,998,406.08 : x - Step 2: Convert to fraction form
286,271,999.68/429,407,999.51 = 266,998,406.08/x - Step 3: Cross multiply
286,271,999.68x = 429,407,999.51 × 266,998,406.08 - Step 4: Simplify right side
286,271,999.68x = 114,651,251,425,691,872 - Step 5: Solve for x
x = 114,651,251,425,691,872/286,271,999.68 - Step 6: Final answer
x = 400,497,609.11
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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.