Finding the Fourth Proportional to 695,775,540.33, 960,170,863.41 and 382,515,084.09
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Solution
The fourth proportional to 695,775,540.33, 960,170,863.41 and 382,515,084.09 is: 527,871,155.67
Step by Step Solution
- Step 1: Write the proportion equation
695,775,540.33 : 960,170,863.41 = 382,515,084.09 : x - Step 2: Convert to fraction form
695,775,540.33/960,170,863.41 = 382,515,084.09/x - Step 3: Cross multiply
695,775,540.33x = 960,170,863.41 × 382,515,084.09 - Step 4: Simplify right side
695,775,540.33x = 367,279,838,558,044,032 - Step 5: Solve for x
x = 367,279,838,558,044,032/695,775,540.33 - Step 6: Final answer
x = 527,871,155.67
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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.