Finding the Fourth Proportional to 19,981,369,208.67, 29,972,104,909.49 and 5,058,536,371.71
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Solution
The fourth proportional to 19,981,369,208.67, 29,972,104,909.49 and 5,058,536,371.71 is: 7,587,817,493.29
Step by Step Solution
- Step 1: Write the proportion equation
19,981,369,208.67 : 29,972,104,909.49 = 5,058,536,371.71 : x - Step 2: Convert to fraction form
19,981,369,208.67/29,972,104,909.49 = 5,058,536,371.71/x - Step 3: Cross multiply
19,981,369,208.67x = 29,972,104,909.49 × 5,058,536,371.71 - Step 4: Simplify right side
19,981,369,208.67x = 151,614,982,821,337,726,976 - Step 5: Solve for x
x = 151,614,982,821,337,726,976/19,981,369,208.67 - Step 6: Final answer
x = 7,587,817,493.29
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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.