Finding the Fourth Proportional to 1,771,824,493.10, 2,657,736,739.65 and 851,478,905.90
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Solution
The fourth proportional to 1,771,824,493.10, 2,657,736,739.65 and 851,478,905.90 is: 1,277,218,358.85
Step by Step Solution
- Step 1: Write the proportion equation
1,771,824,493.10 : 2,657,736,739.65 = 851,478,905.90 : x - Step 2: Convert to fraction form
1,771,824,493.10/2,657,736,739.65 = 851,478,905.90/x - Step 3: Cross multiply
1,771,824,493.10x = 2,657,736,739.65 × 851,478,905.90 - Step 4: Simplify right side
1,771,824,493.10x = 2,263,006,771,247,415,040 - Step 5: Solve for x
x = 2,263,006,771,247,415,040/1,771,824,493.10 - Step 6: Final answer
x = 1,277,218,358.85
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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.