Finding the Fourth Proportional to 5,306,069,406.87, 7,954,910,417.97 and 2,648,761,689.24
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Solution
The fourth proportional to 5,306,069,406.87, 7,954,910,417.97 and 2,648,761,689.24 is: 3,971,049,064.90
Step by Step Solution
- Step 1: Write the proportion equation
5,306,069,406.87 : 7,954,910,417.97 = 2,648,761,689.24 : x - Step 2: Convert to fraction form
5,306,069,406.87/7,954,910,417.97 = 2,648,761,689.24/x - Step 3: Cross multiply
5,306,069,406.87x = 7,954,910,417.97 × 2,648,761,689.24 - Step 4: Simplify right side
5,306,069,406.87x = 21,070,661,956,455,092,224 - Step 5: Solve for x
x = 21,070,661,956,455,092,224/5,306,069,406.87 - Step 6: Final answer
x = 3,971,049,064.90
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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.