Finding the Fourth Proportional to 4,315,930,801.20, 6,473,896,201.80 and 2,921,217,040.80
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Solution
The fourth proportional to 4,315,930,801.20, 6,473,896,201.80 and 2,921,217,040.80 is: 4,381,825,561.20
Step by Step Solution
- Step 1: Write the proportion equation
4,315,930,801.20 : 6,473,896,201.80 = 2,921,217,040.80 : x - Step 2: Convert to fraction form
4,315,930,801.20/6,473,896,201.80 = 2,921,217,040.80/x - Step 3: Cross multiply
4,315,930,801.20x = 6,473,896,201.80 × 2,921,217,040.80 - Step 4: Simplify right side
4,315,930,801.20x = 18,911,655,905,068,556,288 - Step 5: Solve for x
x = 18,911,655,905,068,556,288/4,315,930,801.20 - Step 6: Final answer
x = 4,381,825,561.20
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1.5x scale
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.