Finding the Fourth Proportional to 3,121,125,492.27, 4,678,411,004.32 and 1,050,128,258.79
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Solution
The fourth proportional to 3,121,125,492.27, 4,678,411,004.32 and 1,050,128,258.79 is: 1,574,089,735.90
Step by Step Solution
- Step 1: Write the proportion equation
3,121,125,492.27 : 4,678,411,004.32 = 1,050,128,258.79 : x - Step 2: Convert to fraction form
3,121,125,492.27/4,678,411,004.32 = 1,050,128,258.79/x - Step 3: Cross multiply
3,121,125,492.27x = 4,678,411,004.32 × 1,050,128,258.79 - Step 4: Simplify right side
3,121,125,492.27x = 4,912,931,601,844,518,912 - Step 5: Solve for x
x = 4,912,931,601,844,518,912/3,121,125,492.27 - Step 6: Final answer
x = 1,574,089,735.90
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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.