Finding the Fourth Proportional to 1,756,267,255.84, 2,634,687,351.60 and 720,850,243.36
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Solution
The fourth proportional to 1,756,267,255.84, 2,634,687,351.60 and 720,850,243.36 is: 1,081,392,944.19
Step by Step Solution
- Step 1: Write the proportion equation
1,756,267,255.84 : 2,634,687,351.60 = 720,850,243.36 : x - Step 2: Convert to fraction form
1,756,267,255.84/2,634,687,351.60 = 720,850,243.36/x - Step 3: Cross multiply
1,756,267,255.84x = 2,634,687,351.60 × 720,850,243.36 - Step 4: Simplify right side
1,756,267,255.84x = 1,899,215,018,578,373,888 - Step 5: Solve for x
x = 1,899,215,018,578,373,888/1,756,267,255.84 - Step 6: Final answer
x = 1,081,392,944.19
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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.