Finding the Fourth Proportional to 1,864,676,656.26, 2,573,244,813.69 and 1,029,293,919.54
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Solution
The fourth proportional to 1,864,676,656.26, 2,573,244,813.69 and 1,029,293,919.54 is: 1,420,420,656.49
Step by Step Solution
- Step 1: Write the proportion equation
1,864,676,656.26 : 2,573,244,813.69 = 1,029,293,919.54 : x - Step 2: Convert to fraction form
1,864,676,656.26/2,573,244,813.69 = 1,029,293,919.54/x - Step 3: Cross multiply
1,864,676,656.26x = 2,573,244,813.69 × 1,029,293,919.54 - Step 4: Simplify right side
1,864,676,656.26x = 2,648,625,240,218,957,312 - Step 5: Solve for x
x = 2,648,625,240,218,957,312/1,864,676,656.26 - Step 6: Final answer
x = 1,420,420,656.49
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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.