Finding the Fourth Proportional to 512,592,761.84, 707,341,287.87 and 300,908,187.63
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Solution
The fourth proportional to 512,592,761.84, 707,341,287.87 and 300,908,187.63 is: 415,231,741.09
Step by Step Solution
- Step 1: Write the proportion equation
512,592,761.84 : 707,341,287.87 = 300,908,187.63 : x - Step 2: Convert to fraction form
512,592,761.84/707,341,287.87 = 300,908,187.63/x - Step 3: Cross multiply
512,592,761.84x = 707,341,287.87 × 300,908,187.63 - Step 4: Simplify right side
512,592,761.84x = 212,844,784,968,831,808 - Step 5: Solve for x
x = 212,844,784,968,831,808/512,592,761.84 - Step 6: Final answer
x = 415,231,741.09
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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.