Finding the Fourth Proportional to 764,758,349.36, 1,055,306,154.84 and 430,164,258.32
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Solution
The fourth proportional to 764,758,349.36, 1,055,306,154.84 and 430,164,258.32 is: 593,592,720.86
Step by Step Solution
- Step 1: Write the proportion equation
764,758,349.36 : 1,055,306,154.84 = 430,164,258.32 : x - Step 2: Convert to fraction form
764,758,349.36/1,055,306,154.84 = 430,164,258.32/x - Step 3: Cross multiply
764,758,349.36x = 1,055,306,154.84 × 430,164,258.32 - Step 4: Simplify right side
764,758,349.36x = 453,954,989,397,279,680 - Step 5: Solve for x
x = 453,954,989,397,279,680/764,758,349.36 - Step 6: Final answer
x = 593,592,720.86
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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.