Finding the Fourth Proportional to 7,762,803,515.48, 11,639,544,535.20 and 3,560,492,266.40
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Solution
The fourth proportional to 7,762,803,515.48, 11,639,544,535.20 and 3,560,492,266.40 is: 5,338,600,702.61
Step by Step Solution
- Step 1: Write the proportion equation
7,762,803,515.48 : 11,639,544,535.20 = 3,560,492,266.40 : x - Step 2: Convert to fraction form
7,762,803,515.48/11,639,544,535.20 = 3,560,492,266.40/x - Step 3: Cross multiply
7,762,803,515.48x = 11,639,544,535.20 × 3,560,492,266.40 - Step 4: Simplify right side
7,762,803,515.48x = 41,442,508,301,997,989,888 - Step 5: Solve for x
x = 41,442,508,301,997,989,888/7,762,803,515.48 - Step 6: Final answer
x = 5,338,600,702.61
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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.