Finding the Fourth Proportional to 5,085,496,854.49, 7,018,378,338.72 and 3,051,023,997.08
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Solution
The fourth proportional to 5,085,496,854.49, 7,018,378,338.72 and 3,051,023,997.08 is: 4,210,648,702.52
Step by Step Solution
- Step 1: Write the proportion equation
5,085,496,854.49 : 7,018,378,338.72 = 3,051,023,997.08 : x - Step 2: Convert to fraction form
5,085,496,854.49/7,018,378,338.72 = 3,051,023,997.08/x - Step 3: Cross multiply
5,085,496,854.49x = 7,018,378,338.72 × 3,051,023,997.08 - Step 4: Simplify right side
5,085,496,854.49x = 21,413,240,732,038,729,728 - Step 5: Solve for x
x = 21,413,240,732,038,729,728/5,085,496,854.49 - Step 6: Final answer
x = 4,210,648,702.52
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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.