Finding the Fourth Proportional to 18,587,202,415.20, 27,880,803,622.80 and 14,913,882,223.20
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Solution
The fourth proportional to 18,587,202,415.20, 27,880,803,622.80 and 14,913,882,223.20 is: 22,370,823,334.80
Step by Step Solution
- Step 1: Write the proportion equation
18,587,202,415.20 : 27,880,803,622.80 = 14,913,882,223.20 : x - Step 2: Convert to fraction form
18,587,202,415.20/27,880,803,622.80 = 14,913,882,223.20/x - Step 3: Cross multiply
18,587,202,415.20x = 27,880,803,622.80 × 14,913,882,223.20 - Step 4: Simplify right side
18,587,202,415.20x = 415,811,021,518,607,089,664 - Step 5: Solve for x
x = 415,811,021,518,607,089,664/18,587,202,415.20 - Step 6: Final answer
x = 22,370,823,334.80
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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.