Finding the Fourth Proportional to 2,630,171,654.32, 3,944,764,240.08 and 1,319,721,850.48
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Solution
The fourth proportional to 2,630,171,654.32, 3,944,764,240.08 and 1,319,721,850.48 is: 1,979,335,285.62
Step by Step Solution
- Step 1: Write the proportion equation
2,630,171,654.32 : 3,944,764,240.08 = 1,319,721,850.48 : x - Step 2: Convert to fraction form
2,630,171,654.32/3,944,764,240.08 = 1,319,721,850.48/x - Step 3: Cross multiply
2,630,171,654.32x = 3,944,764,240.08 × 1,319,721,850.48 - Step 4: Simplify right side
2,630,171,654.32x = 5,205,991,562,625,709,056 - Step 5: Solve for x
x = 5,205,991,562,625,709,056/2,630,171,654.32 - Step 6: Final answer
x = 1,979,335,285.62
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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.