Finding the Fourth Proportional to 22,292,607,532.62, 30,763,803,416.64 and 12,268,102,379.75
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Solution
The fourth proportional to 22,292,607,532.62, 30,763,803,416.64 and 12,268,102,379.75 is: 16,929,984,047.56
Step by Step Solution
- Step 1: Write the proportion equation
22,292,607,532.62 : 30,763,803,416.64 = 12,268,102,379.75 : x - Step 2: Convert to fraction form
22,292,607,532.62/30,763,803,416.64 = 12,268,102,379.75/x - Step 3: Cross multiply
22,292,607,532.62x = 30,763,803,416.64 × 12,268,102,379.75 - Step 4: Simplify right side
22,292,607,532.62x = 377,413,489,905,688,576,000 - Step 5: Solve for x
x = 377,413,489,905,688,576,000/22,292,607,532.62 - Step 6: Final answer
x = 16,929,984,047.56
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1.5x scale
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.