Finding the Fourth Proportional to 2,939,328,001.20, 4,408,992,001.80 and 2,871,303,553.20
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Solution
The fourth proportional to 2,939,328,001.20, 4,408,992,001.80 and 2,871,303,553.20 is: 4,306,955,329.80
Step by Step Solution
- Step 1: Write the proportion equation
2,939,328,001.20 : 4,408,992,001.80 = 2,871,303,553.20 : x - Step 2: Convert to fraction form
2,939,328,001.20/4,408,992,001.80 = 2,871,303,553.20/x - Step 3: Cross multiply
2,939,328,001.20x = 4,408,992,001.80 × 2,871,303,553.20 - Step 4: Simplify right side
2,939,328,001.20x = 12,659,554,400,798,720,000 - Step 5: Solve for x
x = 12,659,554,400,798,720,000/2,939,328,001.20 - Step 6: Final answer
x = 4,306,955,329.80
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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.