Finding the Fourth Proportional to 3,485,618,221.50, 5,228,424,137.72 and 1,092,586,840.00
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Solution
The fourth proportional to 3,485,618,221.50, 5,228,424,137.72 and 1,092,586,840.00 is: 1,638,879,258.65
Step by Step Solution
- Step 1: Write the proportion equation
3,485,618,221.50 : 5,228,424,137.72 = 1,092,586,840.00 : x - Step 2: Convert to fraction form
3,485,618,221.50/5,228,424,137.72 = 1,092,586,840.00/x - Step 3: Cross multiply
3,485,618,221.50x = 5,228,424,137.72 × 1,092,586,840.00 - Step 4: Simplify right side
3,485,618,221.50x = 5,712,507,406,800,879,616 - Step 5: Solve for x
x = 5,712,507,406,800,879,616/3,485,618,221.50 - Step 6: Final answer
x = 1,638,879,258.65
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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.