Finding the Fourth Proportional to 5,619,220,455.36, 8,429,348,806.74 and 1,837,632,417.06
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Solution
The fourth proportional to 5,619,220,455.36, 8,429,348,806.74 and 1,837,632,417.06 is: 2,756,618,065.62
Step by Step Solution
- Step 1: Write the proportion equation
5,619,220,455.36 : 8,429,348,806.74 = 1,837,632,417.06 : x - Step 2: Convert to fraction form
5,619,220,455.36/8,429,348,806.74 = 1,837,632,417.06/x - Step 3: Cross multiply
5,619,220,455.36x = 8,429,348,806.74 × 1,837,632,417.06 - Step 4: Simplify right side
5,619,220,455.36x = 15,490,044,621,971,451,904 - Step 5: Solve for x
x = 15,490,044,621,971,451,904/5,619,220,455.36 - Step 6: Final answer
x = 2,756,618,065.62
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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.