Finding the Fourth Proportional to 2,840,056,906.49, 3,919,203,349.76 and 1,587,004,059.05
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Solution
The fourth proportional to 2,840,056,906.49, 3,919,203,349.76 and 1,587,004,059.05 is: 2,190,023,590.76
Step by Step Solution
- Step 1: Write the proportion equation
2,840,056,906.49 : 3,919,203,349.76 = 1,587,004,059.05 : x - Step 2: Convert to fraction form
2,840,056,906.49/3,919,203,349.76 = 1,587,004,059.05/x - Step 3: Cross multiply
2,840,056,906.49x = 3,919,203,349.76 × 1,587,004,059.05 - Step 4: Simplify right side
2,840,056,906.49x = 6,219,791,624,295,847,936 - Step 5: Solve for x
x = 6,219,791,624,295,847,936/2,840,056,906.49 - Step 6: Final answer
x = 2,190,023,590.76
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1.5x scale
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.