Finding the Fourth Proportional to 472,818,327,544.72, 652,489,921,241.56 and 256,044,895,933.66
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Solution
The fourth proportional to 472,818,327,544.72, 652,489,921,241.56 and 256,044,895,933.66 is: 353,342,297,134.74
Step by Step Solution
- Step 1: Write the proportion equation
472,818,327,544.72 : 652,489,921,241.56 = 256,044,895,933.66 : x - Step 2: Convert to fraction form
472,818,327,544.72/652,489,921,241.56 = 256,044,895,933.66/x - Step 3: Cross multiply
472,818,327,544.72x = 652,489,921,241.56 × 256,044,895,933.66 - Step 4: Simplify right side
472,818,327,544.72x = 167,066,713,982,057,240,854,528 - Step 5: Solve for x
x = 167,066,713,982,057,240,854,528/472,818,327,544.72 - Step 6: Final answer
x = 353,342,297,134.74
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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.