Finding the Fourth Proportional to 272,438,637.80, 376,179,537.36 and 219,346,697
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Solution
The fourth proportional to 272,438,637.80, 376,179,537.36 and 219,346,697 is: 302,870,913.12
Step by Step Solution
- Step 1: Write the proportion equation
272,438,637.80 : 376,179,537.36 = 219,346,697 : x - Step 2: Convert to fraction form
272,438,637.80/376,179,537.36 = 219,346,697/x - Step 3: Cross multiply
272,438,637.80x = 376,179,537.36 × 219,346,697 - Step 4: Simplify right side
272,438,637.80x = 82,513,738,998,904,096 - Step 5: Solve for x
x = 82,513,738,998,904,096/272,438,637.80 - Step 6: Final answer
x = 302,870,913.12
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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.