Finding the Fourth Proportional to 1,410,582,671.20, 2,115,320,355.60 and 536,719,938.40
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Solution
The fourth proportional to 1,410,582,671.20, 2,115,320,355.60 and 536,719,938.40 is: 804,869,245.97
Step by Step Solution
- Step 1: Write the proportion equation
1,410,582,671.20 : 2,115,320,355.60 = 536,719,938.40 : x - Step 2: Convert to fraction form
1,410,582,671.20/2,115,320,355.60 = 536,719,938.40/x - Step 3: Cross multiply
1,410,582,671.20x = 2,115,320,355.60 × 536,719,938.40 - Step 4: Simplify right side
1,410,582,671.20x = 1,135,334,610,953,897,984 - Step 5: Solve for x
x = 1,135,334,610,953,897,984/1,410,582,671.20 - Step 6: Final answer
x = 804,869,245.97
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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.