Finding the Fourth Proportional to 5,723,135,999.40, 8,584,703,999.10 and 3,981,710,130.60
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Solution
The fourth proportional to 5,723,135,999.40, 8,584,703,999.10 and 3,981,710,130.60 is: 5,972,565,195.90
Step by Step Solution
- Step 1: Write the proportion equation
5,723,135,999.40 : 8,584,703,999.10 = 3,981,710,130.60 : x - Step 2: Convert to fraction form
5,723,135,999.40/8,584,703,999.10 = 3,981,710,130.60/x - Step 3: Cross multiply
5,723,135,999.40x = 8,584,703,999.10 × 3,981,710,130.60 - Step 4: Simplify right side
5,723,135,999.40x = 34,181,802,881,418,805,248 - Step 5: Solve for x
x = 34,181,802,881,418,805,248/5,723,135,999.40 - Step 6: Final answer
x = 5,972,565,195.90
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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.