Finding the Fourth Proportional to 2,177,943,247.20, 3,268,190,329.20 and 797,897,258.40
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Solution
The fourth proportional to 2,177,943,247.20, 3,268,190,329.20 and 797,897,258.40 is: 1,197,313,156.32
Step by Step Solution
- Step 1: Write the proportion equation
2,177,943,247.20 : 3,268,190,329.20 = 797,897,258.40 : x - Step 2: Convert to fraction form
2,177,943,247.20/3,268,190,329.20 = 797,897,258.40/x - Step 3: Cross multiply
2,177,943,247.20x = 3,268,190,329.20 × 797,897,258.40 - Step 4: Simplify right side
2,177,943,247.20x = 2,607,680,103,598,073,344 - Step 5: Solve for x
x = 2,607,680,103,598,073,344/2,177,943,247.20 - Step 6: Final answer
x = 1,197,313,156.32
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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.