Finding the Fourth Proportional to 8,917,859,443.36, 13,369,306,472.88 and 3,942,778,064.80
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Solution
The fourth proportional to 8,917,859,443.36, 13,369,306,472.88 and 3,942,778,064.80 is: 5,910,858,837.56
Step by Step Solution
- Step 1: Write the proportion equation
8,917,859,443.36 : 13,369,306,472.88 = 3,942,778,064.80 : x - Step 2: Convert to fraction form
8,917,859,443.36/13,369,306,472.88 = 3,942,778,064.80/x - Step 3: Cross multiply
8,917,859,443.36x = 13,369,306,472.88 × 3,942,778,064.80 - Step 4: Simplify right side
8,917,859,443.36x = 52,712,208,302,859,919,360 - Step 5: Solve for x
x = 52,712,208,302,859,919,360/8,917,859,443.36 - Step 6: Final answer
x = 5,910,858,837.56
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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.