Finding the Fourth Proportional to 883,670,738.51, 1,325,829,323.47 and 411,195,118.99
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Solution
The fourth proportional to 883,670,738.51, 1,325,829,323.47 and 411,195,118.99 is: 616,943,079.22
Step by Step Solution
- Step 1: Write the proportion equation
883,670,738.51 : 1,325,829,323.47 = 411,195,118.99 : x - Step 2: Convert to fraction form
883,670,738.51/1,325,829,323.47 = 411,195,118.99/x - Step 3: Cross multiply
883,670,738.51x = 1,325,829,323.47 × 411,195,118.99 - Step 4: Simplify right side
883,670,738.51x = 545,174,546,431,627,072 - Step 5: Solve for x
x = 545,174,546,431,627,072/883,670,738.51 - Step 6: Final answer
x = 616,943,079.22
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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.