Finding the Fourth Proportional to 5,376,385,675.20, 8,064,578,512.80 and 1,498,992,139.20
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Solution
The fourth proportional to 5,376,385,675.20, 8,064,578,512.80 and 1,498,992,139.20 is: 2,248,488,208.80
Step by Step Solution
- Step 1: Write the proportion equation
5,376,385,675.20 : 8,064,578,512.80 = 1,498,992,139.20 : x - Step 2: Convert to fraction form
5,376,385,675.20/8,064,578,512.80 = 1,498,992,139.20/x - Step 3: Cross multiply
5,376,385,675.20x = 8,064,578,512.80 × 1,498,992,139.20 - Step 4: Simplify right side
5,376,385,675.20x = 12,088,739,796,648,427,520 - Step 5: Solve for x
x = 12,088,739,796,648,427,520/5,376,385,675.20 - Step 6: Final answer
x = 2,248,488,208.80
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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.