Finding the Fourth Proportional to 2,878,858,887.64, 4,319,881,768.52 and 1,405,010,905.20
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Solution
The fourth proportional to 2,878,858,887.64, 4,319,881,768.52 and 1,405,010,905.20 is: 2,108,294,025.80
Step by Step Solution
- Step 1: Write the proportion equation
2,878,858,887.64 : 4,319,881,768.52 = 1,405,010,905.20 : x - Step 2: Convert to fraction form
2,878,858,887.64/4,319,881,768.52 = 1,405,010,905.20/x - Step 3: Cross multiply
2,878,858,887.64x = 4,319,881,768.52 × 1,405,010,905.20 - Step 4: Simplify right side
2,878,858,887.64x = 6,069,480,993,945,263,104 - Step 5: Solve for x
x = 6,069,480,993,945,263,104/2,878,858,887.64 - Step 6: Final answer
x = 2,108,294,025.80
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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.